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CVE-2026-123779

Apache Axis2/Java: exposeServiceMetadata not enforced on all metadata routes

Direct Request ('Forced Browsing') vulnerability in Apache Axis2/Java. The exposeServiceMetadata service parameter was enforced only on the ?wsdl, ?wsdl2 and ?xsd queries. For a service that had disabled it, the packaged .wsdl and .xsd file routes, the named-WSDL ?wsdl=NAME route of the standalone HTTP server, the OpenAPI, Swagger UI and MCP catalog endpoints, the services listing, WS-MetadataExchange GetMetadata and the ping module still disclosed its metadata to anonymous callers, including operation names and request and response schemas. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Axis2/java
CVE-2026-123753

Apache Axis2/Java: SSRF via WS-Addressing ReplyTo and FaultTo endpoints

Server-Side Request Forgery (SSRF) vulnerability in Apache Axis2/Java. An unauthenticated caller could supply a non-anonymous WS-Addressing wsa:ReplyTo or wsa:FaultTo address, and Axis2 would open a connection to that address to deliver the response or fault, allowing requests to internal hosts and delivery of response content to a host of the caller's choosing. From 2.0.2, decoupled responses are refused unless allowNonAnonymousResponseEndpoints is enabled, and enabled endpoints are restricted by scheme and screened at both the header-parsing and transport-selection layers. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Axis2/java
CVE-2026-113508

Apache Airflow: Logout token revocation fails open; errors silently swallowed

Apache Airflow's logout endpoint attempted to revoke the presented token on the server, but any failure during revocation was silently ignored and logout still reported success. When the auth manager redirects logout to an external logout URL (for example the FAB or Keycloak auth managers), server-side revocation is the only thing that invalidates the Airflow token; it failed on database errors and, reliably, for tokens from an external issuer accepted via `[api_auth] trusted_jwks_url` whose token identifier is longer than 32 characters. Anyone holding a copy of a user's token from before logout could keep using it against the Airflow API until it expired. Users are advised to upgrade to apache-airflow 3.4.0 or later.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-113504

Apache Airflow: Secrets masker: pattern-based masking bounded at depth 5 returns deeply-nested registered secrets in cleartext

Apache Airflow's secrets masker stopped descending into nested structures after five levels, so a secret registered with the masker — for example a Connection password or a Variable value — that appeared more than five containers deep under non-sensitive keys was shown in cleartext in task logs and rendered template fields. A user who can read task logs or rendered templates, but is not meant to see those secrets, could read them. Users are advised to upgrade to apache-airflow 3.4.0 or later. Airflow 2.x is also affected; Airflow 2 has reached end of life and will not receive a fix, so Airflow 2 users should upgrade to Apache Airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-107474

Apache Airflow: Connections API: apprise connection "config" extra returned in cleartext

The Apache Airflow connections API did not mask the apprise provider's `config` connection extra, which can embed notification-service credentials. A user with permission to read connections could retrieve it in cleartext, although Airflow 3 treats connection credentials as write-only. Users are advised to upgrade to apache-airflow 3.4.0 or later. Airflow 2.x is also affected; Airflow 2 has reached end of life and will not receive a fix, so Airflow 2 users should upgrade to Apache Airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-101031

Apache Airflow: Shell command injection in the example_dag_decorator example Dag via an IPv6 zone identifier

The `example_dag_decorator` example Dag shipped with Apache Airflow validated an IP address fetched over HTTP with Python's `ipaddress` module and then placed it into a shell command. `ipaddress` accepts IPv6 zone identifiers containing arbitrary characters, so when example Dags are loaded (`load_examples` enabled), a user who can trigger that Dag with a custom `url` parameter could point it at a server whose response injects shell commands run on the worker. This is an incomplete fix for CVE-2025-54941; users who upgraded for CVE-2025-54941 should upgrade again. Users are advised to upgrade to apache-airflow 3.4.0 or later, or to disable example Dags (`load_examples = False`), which is recommended for production.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-82440

Apache Storm Nimbus: Submitter-Controlled Class Instantiation in Nimbus via a Fail-Open Scheduler Strategy Allowlist

Description Nimbus instantiates the class named by a topology's `topology.scheduler.strategy` when scheduling it. The allowlist intended to constrain that choice, `nimbus.scheduler.strategy.class.whitelist`, was treated as "allow any class" when unset, and it had no entry in the shipped `defaults.yaml`, so unset was the shipped state. An authenticated submitter could therefore cause Nimbus to instantiate any class on the Nimbus classpath that has a no-argument constructor. Storm's own production artifacts contain classes with side effects suitable for this: instantiating `org.apache.storm.testing.InProcessZookeeper` starts a ZooKeeper server with its own threads and sockets and nothing closes it, and `org.apache.storm.LocalCluster` behaves similarly. Repeated submissions therefore consume threads, sockets and memory in the most privileged daemon in the cluster. Mitigation Upgrade to 3.1.0, where an unset allowlist means the strategies shipped with Storm rather than any class. Note that this is a behaviour change: a cluster running an out-of-tree scheduler strategy without an explicit allowlist will have those topologies refused until the class is added to `nimbus.scheduler.strategy.class.whitelist`. The rejection message names the refused class and the configuration key. Users who cannot upgrade immediately should set `nimbus.scheduler.strategy.class.whitelist` explicitly to the strategies they intend to permit.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Storm Nimbus
CVE-2026-82436

Apache Storm Client: Deserialization of Untrusted Data from the State Store

Description `DefaultStateSerializer`, used to persist and restore stateful bolt checkpoints, configured Kryo with class registration disabled and an instantiation strategy that constructs objects without invoking their constructors, then deserialized whatever bytes the state store returned. A party able to write to the topology's keyspace in the state store, for example a co-tenant of a shared Redis instance or anyone with network access to it, could therefore place a serialized object graph that executes code inside the worker JVM when the state is restored. This requires the Redis-backed state provider, which is not the default. Write access to a state-store key is a data-plane privilege; code execution in the worker JVM is not, so the two are not equivalent. Mitigation Upgrade to 3.1.0, where the state serializer requires registered classes. Note that this is a behaviour change for existing state: checkpoints written by an affected version may fail to restore, and a migration step may be required. Users who cannot upgrade immediately should restrict network and credential access to the state store to the cluster itself. Credit The ASF -- found using Claude agents to study the security of open-source projects, validated and reported by Apache Storm.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Storm Client
CVE-2026-50204

Apache Airflow: Audit-log secrets masker redacts by key name only, persisting connection and Variable secrets in cleartext

Apache Airflow's audit log stored Connection and Variable secret values in cleartext in the `Log.extra` column because the secrets masker matched only on configured sensitive key names. An authenticated low-privilege user with read access to the event-log / audit API — with no prior access to the affected connection or variable — could read those rows and recover the credentials verbatim. Users should upgrade to apache-airflow 3.4.0 or later, which masks these values and restricts the affected audit rows to authorized users. Airflow 2.x is also affected; Airflow 2 has reached end of life and will not receive a fix, so Airflow 2 users should upgrade to Apache Airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-40913

Apache Airflow: Import Errors API Leaks Unauthorized DAG Stack Traces via Incomplete Per-File RBAC Enforcement

Apache Airflow's public Import Errors API returns the raw parse-failure stack trace to any user with the `ImportError.can_read` permission when the failing file has no registered DAG. This happens when a file fails to parse before any DAG is defined, or when all of its previously registered DAGs are removed but the parse error remains. Users who should not see that file's details can read stack traces that may expose file paths and code. Users are advised to upgrade to Apache Airflow 3.4.0 or later, which restricts these stack traces to users with the new `IMPORT_ERRORS_ALL` permission.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-123770

Apache Axis2/Java: Unbounded multipart and form-encoded request bodies

Allocation of Resources Without Limits or Throttling vulnerability in Apache Axis2/Java. The multipart/form-data and application/x-www-form-urlencoded message builders read the request body directly from the transport stream with no size limit, so the servlet container's post-size limit did not apply, and multipart temporary files were not deleted. An unauthenticated caller could exhaust memory or disk. Version 2.0.2 bounds these bodies with configurable limits and deletes temporary files. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Axis2/java
CVE-2026-120832

Apache Axis2/Java: SSRF via WSDL/XSD schema import resolution

Server-Side Request Forgery (SSRF) vulnerability in Apache Axis2/Java. When Axis2 built a service description from a WSDL, through ServiceClient, AxisService.createClientSideAxisService or WSDLToAxisServiceBuilder, it fetched the absolute URLs in wsdl:import locations and in xsd:import and xsd:include schemaLocations with no scheme or host restriction; the AAR and WAR deployment resolvers also passed absolute schema locations on to the network. An attacker who controls a WSDL or schema processed by an Axis2 application could therefore make the JVM send requests to arbitrary internal or external hosts. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Axis2/java
CVE-2026-120761

Apache Axis2/Java: XML External Entity (XXE) injection via imported WSDL/XSD documents

Improper Restriction of XML External Entity Reference vulnerability in Apache Axis2/Java. When a client built an AxisService from a WSDL URL, through ServiceClient or AxisService.createClientSideAxisService, wsdl4j import resolution was enabled and the documents named by wsdl:import and xsd:import were parsed by wsdl4j's own XML parser, which processes DOCTYPE declarations and external entities. An attacker who controls a WSDL, or a document it imports, could therefore read local files or make the JVM issue network requests. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Axis2/java
CVE-2026-118196

Apache Allura: OAuth1 rebinding

OAuth 1 rebinding vulnerability in Apache Allura. This issue affects Apache Allura: through 1.22.0. Users are recommended to upgrade to version 1.22.1, which fixes the issue.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Allura
CVE-2026-111792

Apache XML Graphics Batik: Denial of Service via SVG Element Reference Resolution

Uncontrolled Recursion vulnerability in Apache XML Graphics Batik. This issue affects Apache XML Graphics Batik: through 1.19. Users are recommended to upgrade to version 1.20, which fixes the issue.

CVSS n/a EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Xml Graphics Batik
CVE-2026-76185

Apache Airflow Task SDK: SecretCache: non-injective team cache key enables cross-team secret disclosure in multi-team mode

Apache Airflow's Task SDK secret cache built its keys from the team name and secret id with unescaped `_` delimiters, so different (team, secret id) pairs could collide. In multi-team deployments a Dag author could read another team's Variable or Connection value by crafting a colliding secret id. Only deployments with both `core.multi_team = True` and `secrets.use_cache = True` are affected. Users are advised to upgrade to apache-airflow 3.4.0 or later. Deployments that cannot upgrade can set `secrets.use_cache = False`.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Airflow Task Sdk
CVE-2026-68982

Apache Airflow: CeleryExecutor: forged callback workloads run on Celery workers without workload-token validation

Apache Airflow's CeleryExecutor ran callback workloads (`ExecuteCallback`, used for deadline-alert callbacks) without validating the workload's authentication token. Anyone able to write to the Celery broker could enqueue a forged callback and execute arbitrary code on every CeleryExecutor worker, without Airflow credentials. Deployments using the CeleryExecutor are affected. Users are advised to upgrade to apache-airflow 3.4.0 or later, in which the worker claims the callback through the Execution API, validating the token, before running it.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-111455

Apache Airflow: Connections API: async connection test authorizes create at enqueue but overwrites a later-created connection at commit

Apache Airflow's asynchronous connection test checked permissions when the test was queued — only create permission when the connection ID did not exist yet — but, when the test completed with `commit_on_success`, wrote the tested connection under that ID. A user allowed to create but not edit connections could overwrite a connection someone else had created in the meantime. Only deployments that enable the non-default `[core] test_connection` setting are affected. Users are advised to upgrade to apache-airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-111454

Apache Airflow: API: asset endpoints return scheduled/producing/consuming Dag IDs the caller cannot read

Apache Airflow's asset API endpoints returned the IDs of Dags that are scheduled on, produce, or consume an asset without checking whether the caller may read those Dags. An authenticated user with asset read access could learn the IDs of Dags they are not authorized to see. Users are advised to upgrade to apache-airflow 3.4.0 or later. Airflow 2.x is also affected; Airflow 2 has reached end of life and will not receive a fix, so Airflow 2 users should upgrade to Apache Airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow
CVE-2026-111452

Apache Airflow: Secrets masker: camelCase key names (privateKey, connectionString, webhookUrl) not matched against the sensitive-field list

Apache Airflow's secrets masker matched sensitive key names only in their snake_case form, so values stored under camelCase keys such as `privateKey`, `connectionString`, `webhookUrl` or `accessKey` — for example in a Connection's extra or a Variable — were not redacted in task logs, rendered template fields or API responses. A user who can read task logs or rendered templates, but is not meant to see those credentials, could read them in cleartext. Users are advised to upgrade to apache-airflow 3.4.0 or later. Airflow 2.x is also affected; Airflow 2 has reached end of life and will not receive a fix, so Airflow 2 users should upgrade to Apache Airflow 3.4.0 or later.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Airflow