Search vulnerabilities

Use the Query Builder to create your own search query, or check out the documentation to learn the search syntax.

Results 8,924

Export CSV
CVE-2026-19113

Unauthenticated denial of service via unbounded request body processing

Consul Community Edition and Consul Enterprise 1.3.0 through 2.0.2 are vulnerable to an unauthenticated denial of service in several agent HTTP API endpoints. A remote caller could cause the agent to consume substantial memory before the request was rejected. This vulnerability, CVE-2026-19113, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Hashicorp
Products
Consul Consul Enterprise
CVE-2026-19362

lmammino oidc-authorizer Authorization Header Parsing parse_token_from_header.rs parse_token_from_header denial of service

A vulnerability has been found in lmammino oidc-authorizer 0.4.0. This issue affects the function parse_token_from_header of the file src/parse_token_from_header.rs of the component Authorization Header Parsing. The manipulation of the argument authorization_token leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Lmammino
Products
Oidc-authorizer
CVE-2026-47249

Klever-Go KVM: Hash-array amplification in P2P resolver request handling

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.18, the P2P resolver request handling logic is vulnerable to hash-array amplification. A connected peer can send a compressed RequestDataType_HashArrayType direct request that is only 442 bytes on the wire but expands into 200,000 decoded hash entries inside the resolver path. The resolver's antiflood logic counts only a single logical message and the compressed wire size, and while Batch.Decompress() caps the decompressed byte size, it never limits the number of decoded repeated-field items. As a result, both TxResolver and TrieNodeResolver preallocate and iterate over the entire unchecked set of decoded hashes, causing remote memory and CPU amplification against any node that accepts P2P peer connections. This issue is fixed in version 1.7.18.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Klever-io
Products
Klever-go
CVE-2026-52879

Klever-Go: Unbounded goroutine spawn on direct-message ingress enables peer-driven DoS

Klever-Go is the Go implementation of the Klever blockchain protocol. In versions 1.7.14 through 1.7.17, the direct-message ingress handler spawns a new goroutine for every incoming direct message before the processor-level antiflood layer makes any admission decision, with no semaphore, throttler, or bound on the number of concurrent in-flight spawns. Because the antiflood check runs inside the spawned goroutine rather than before it, a single connected peer can open a direct-send stream and send a stream of well-formed messages to force unbounded goroutine creation, where each goroutine allocates its own stack and holds a message reference until processing completes, adding scheduler and garbage-collection pressure faster than the runtime can drain it. This lets one peer degrade the node's availability and its ability to process legitimate traffic, resulting in a remotely triggerable denial of service. The issue is fixed in 1.7.18.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Klever-io
Products
Klever-go
CVE-2026-62296

HAPI FHIR: XHTML narrative parser unbounded recursion causes StackOverflow denial of service

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.11, XhtmlParser.java imposes no maximum element nesting depth, so a deeply nested text.div narrative triggers unbounded recursion between parseElementInner() and parseElement(), raising a StackOverflowError. An attacker who can submit FHIR resources containing such narratives can thus crash a parsing or validation worker thread, affecting validator services and any application that parses attacker-supplied FHIR JSON or XML. This issue is fixed in version 6.9.11.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Hapifhir
Products
Hl7 Fhir Core
CVE-2026-71848

Hono: Algorithmic Complexity DoS in Language Middleware

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag containing a large number of hyphen separated subtags. To implement progressive language tag truncation, normalizeLanguage() repeatedly calls parts.slice(0, i).join('-') for every possible prefix, so the total amount of string processing grows quadratically with the number of subtags. Language values may come from a query parameter, cookie, Accept-Language header, or URL path, depending on the detector configuration, and the default detector order enables query string, cookie, and header detection, so applications using languageDetector() may expose this processing to unauthenticated requests. An attacker may repeatedly send requests containing long, hyphen separated language tags, causing excessive CPU consumption and preventing unrelated requests from being processed. This issue is fixed in version 4.12.34.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Hono
Products
Hono
CVE-2026-70646

aiosend: Deserialization of request body before signature verification (Pre-auth DoS) in webhook handler

aiosend is a synchronous and asynchronous Crypto Pay API client. Pror to version 3.0.7, `WebhookHandler.feed_update()` deserializes the entire request body before verifying the HMAC signature. This allows an unauthenticated attacker to force expensive parsing of arbitrary JSON payloads that will ultimately be rejected, leading to unnecessary CPU and memory consumption. Version 3.0.7 fixes the issue. Some workarounds are available. Restrict request body size at the reverse proxy or web framework, rate-limit webhook endpoints, and/or reject oversized requests before JSON parsing.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Vovchic17
Products
Aiosend
CVE-2025-63235

codepr sol: Sol: Denial of service via resource exhaustion from malformed CONNECT packets

In sol commit 373d848 (2024-12-12), the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK but fail to close the session or deallocate internal resources. This behavior allows an attacker to create numerous half-open connections that consume memory and file descriptors indefinitely, potentially triggering the Linux OOM killer and causing a denial of service.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
—
Products
—
CVE-2026-16265

WP Maps < 4.9.7 - Subscriber+ Denial of Service

The WP Maps WordPress plugin before 4.9.7 does not perform a capability check in one of its AJAX actions and does not restrict the operation it dispatches, allowing users with a Subscriber account to trigger uncontrolled recursion that exhausts server resources, resulting in a Denial of Service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress Wp Maps
Products
Wordpress Wp Maps
CVE-2026-71488

league/commonmark: Quadratic-time denial of service when parsing crafted Markdown

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translate between character positions and byte positions, and the Autolink extension can also copy and validate the remaining line at every URL-like prefix, allowing an attacker who can submit Markdown for conversion to consume disproportionate CPU time with a comparatively small request. This issue is fixed in 2.9.0.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Thephpleague
Products
Commonmark
CVE-2026-46273

ibmveth: Disable GSO for packets with small MSS

In the Linux kernel, the following vulnerability has been resolved: ibmveth: Disable GSO for packets with small MSS Some physical adapters on Power systems do not support segmentation offload when the MSS is less than 224 bytes. Attempting to send such packets causes the adapter to freeze, stopping all traffic until manually reset. Implement ndo_features_check to disable GSO for packets with small MSS values. The network stack will perform software segmentation instead. The 224-byte minimum matches ibmvnic commit <f10b09ef687f> ("ibmvnic: Enforce stronger sanity checks on GSO packets") which uses the same physical adapters in SEA configurations. The issue occurs specifically when the hardware attempts to perform segmentation (gso_segs > 1) with a small MSS. Single-segment GSO packets (gso_segs == 1) do not trigger the problematic LSO code path and are transmitted normally without segmentation. Add an ndo_features_check callback to disable GSO when MSS < 224 bytes. Also call vlan_features_check() to ensure proper handling of VLAN packets, particularly QinQ (802.1ad) configurations where the hardware parser may not support certain offload features. Validated using iptables to force small MSS values. Without the fix, the adapter freezes. With the fix, packets are segmented in software and transmission succeeds. Comprehensive regression testing completedd (MSS tests, performance, stability).

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2026-50645

Apache CXF: No restriction on attachment headers per message

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue by imposing a maximum default of 500 attachments per message.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Cxf
CVE-2026-67977

Integer Overflow in fprime FileDownlink SendPartial Causes Denial of Service

An integer overflow in the Svc::FileDownlink::SendPartial component of fprime framework v4.2.2 allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Nasa
Products
Fprime
CVE-2026-64958

Apache CXF: Denial of service via message header attachments

An incomplete fix for CVE-2026-50645 means that it is still possible to perform a denial of service attack on Apache CXF by sending a message with many attachment headers. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Cxf