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CVE-2026-89059

Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)

A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enormous dimensions to trigger a very large memory allocation, exhausting the JVM heap and resulting in a denial of service.

CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Quarkus Apicurio Registry Build Keycloak and 24 more
CVE-2026-89058

Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to make credentialed cross-origin requests and read authenticated responses from a victim's session, resulting in a loss of confidentiality.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Quarkus Apicurio Registry Build Keycloak and 24 more
CVE-2023-4727

Ca: token authentication bypass vulnerability

A flaw was found in dogtag-pki and pki-core. The token authentication scheme can be bypassed with a LDAP injection. By passing the query string parameter sessionID=*, an attacker can authenticate with an existing session saved in the LDAP directory server, which may lead to escalation of privilege.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Eus Enterprise Linux Rhel Aus and 4 more
CVE-2026-17039

Pki-core: dogtag-pki: redhat-pki: pki-core: ca renewal request processing omits realm authorization check performed by enrollment path

A flaw was found in pki-core. The certificate authority (CA) renewal request path does not perform the realm-based authorization check that the enrollment path performs, allowing an authenticated user entitled to one realm to cause a certificate belonging to a different realm to be renewed without that realm's authorization.

CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Dogtag Certificate System Enterprise Linux and 1 more
CVE-2026-78323

Jss: jss: jsstrustmanager does not verify nss trust flags on ca certificates

A flaw was found in JSS (Java Security Services). The JSSTrustManager class does not verify NSS trust flags when validating CA certificates, allowing certificates present in the NSS database without TRUSTED_CA flags to be accepted as trust anchors for TLS connections. In non-default configurations where certificate revocation checking is disabled, this could allow a man-in-the-middle attacker to forge certificates accepted by PKI client connections.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Enterprise Linux Rhel Els
CVE-2026-53682

Pki-core: dogtag-pki: unauthenticated dogtag ca rest api exposes security domain hosts

An unauthenticated client can query the Security Domain hosts inventory via GET /ca/rest/securityDomain/hosts and receive a structured response enumerating internal PKI/CA hosts and roles (security domain topology and participating subsystems), without requiring a principal, client certificate, or session.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Dogtag Certificate System Enterprise Linux and 1 more
CVE-2026-18369

Dogtag-pki: pki-core: redhat-pki: pki: acme http-01 validation ssrf via ip literal identifiers and unvalidated redirects

A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side request forgery (SSRF), making the Dogtag server send HTTP GET requests to internal network services. With the InMemory database backend, the response body of internal targets is disclosed to the attacker through the ACME challenge error.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Certificate System Eus Enterprise Linux and 1 more
CVE-2026-18047

Dogtag-pki: pki-core: redhat-pki: pki: acme admin enable/disable endpoint authentication bypass via trailing slash

A flaw was found in Dogtag PKI's ACME responder where the web.xml security constraints use exact URL pattern matching for admin-only enable/disable endpoints. By appending a trailing slash to the URL, an unauthenticated attacker can bypass the Tomcat authentication constraint while RESTEasy still routes the request to the handler, allowing unauthorized toggling of the ACME service state including persistent denial of service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Enterprise Linux Rhel Els
CVE-2026-12353

Rhcs: memory leak during https connection leads to denial of service

An unauthenticated attacker could trigger an Out of Memory condition to crash the Java process for RHCS by repeatedly sending HTTP requests to the TLS endpoint. Depending on how the RHCS server is configured, a manual intervention to restart it may prove necessary.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Dogtag Certificate System Enterprise Linux
CVE-2026-11873

Pki-core: dogtag-pki: empty request to dogtag /ca/rest/certrequests causes http 500, java exception, and stacktrace disclosure

An Apache-proxied Dogtag CA REST endpoint exposed by IdM (POST /ca/rest/certrequests) returns HTTP 500 with internal Java stack traces for unauthenticated malformed requests. The same unauthenticated error path emits large multi-line stack traces into the CA debug log, creating a log-amplification resource exhaustion vector (disk growth and I/O contention) without requiring authentication.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Dogtag Certificate System Enterprise Linux and 1 more
CVE-2026-80110

Pki-core: dogtag pki v2 rest acl filter's reverse-lexicographic tie-break lets a ca agent invoke the admin-only raw profile creation endpoint

A flaw was found in pki-core. The v2 REST ACL filter selects a tie-breaking permission for colliding literal and wildcard ACL keys using lexicographic string comparison rather than specificity, causing a wildcard-mapped permission to override a more specific literal-mapped permission when both match. In the CA's profile-management REST API this allows a request to POST /v2/profiles/raw -- intended to require Administrator-level profiles.create permission -- to instead be authorized under the lower-privileged profiles.approve permission held by the default Certificate Manager Agents group. The highest threat from this vulnerability is to confidentiality and integrity of the certificate authority's issuance policy.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Dogtag Certificate System Enterprise Linux and 3 more
CVE-2026-76561

Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile content (externalprocessconstraint)

A flaw was found in Dogtag PKI, as used by FreeIPA's certificate authority component. The certificate profile import functionality does not fully validate uploaded profile content beyond the profile ID. An authenticated user with CA Administrator privileges can exploit Dogtag's ExternalProcessConstraint mechanism to execute arbitrary commands with attacker-controlled environment variables, achieving code execution as the pkiuser account.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Enterprise Linux Enterprise Linux Eus and 6 more
CVE-2026-104988

Pki-core: dogtag-pki: redhat-pki: pki: est fullcmc authentication bypass allows certificate mis-issuance with arbitrary subject

A flaw was found in Dogtag PKI (pki-core). The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSL_CLIENT_CERT session attribute retains the EST subsystem's agent certificate, which causes downstream authorization checks to treat the request as agent-privileged. An authenticated EST user can exploit this to obtain CA-signed certificates with arbitrary subject names.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Certificate System Enterprise Linux Rhel Els
CVE-2004-2761

MD5: MD5 Message-Digest Algorithm is not collision resistant

The MD5 Message-Digest Algorithm is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of MD5 in the signature algorithm of an X.509 certificate.

CVSS 3.1 · 9.8 Critical EPSS 10.1% KEV · Not listed
Vendors
Ietf Redhat
Products
Md5 X.509 Certificate Certificate System
CVE-2007-4465

mod_autoindex XSS

Cross-site scripting (XSS) vulnerability in mod_autoindex.c in the Apache HTTP Server before 2.2.6, when the charset on a server-generated page is not defined, allows remote attackers to inject arbitrary web script or HTML via the P parameter using the UTF-7 charset. NOTE: it could be argued that this issue is due to a design limitation of browsers that attempt to perform automatic content type detection.

CVSS 3.1 · 6.1 Medium EPSS 26.2% KEV · Not listed
Vendors
Apache Redhat
Products
Http Server Certificate System Enterprise Linux and 3 more
CVE-2007-3847

httpd: out of bounds read

The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.

CVSS 2.0 · 5.0 Medium EPSS 12.9% KEV · Not listed
Vendors
Apache Canonical Fedoraproject and 1 more
Products
Http Server Ubuntu Linux Fedora and 4 more
CVE-2007-0450

tomcat directory traversal

Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.

CVSS 2.0 · 5.0 Medium EPSS 91.2% KEV · Not listed
Vendors
Apache Redhat
Products
Http Server Tomcat Certificate System and 5 more
CVE-2007-3385

tomcat handling of cookie values

Apache Tomcat 6.0.0 to 6.0.13, 5.5.0 to 5.5.24, 5.0.0 to 5.0.30, 4.1.0 to 4.1.36, and 3.3 to 3.3.2 does not properly handle the \" character sequence in a cookie value, which might cause sensitive information such as session IDs to be leaked to remote attackers and enable session hijacking attacks.

CVSS 2.0 · 4.3 Medium EPSS 16.9% KEV · Not listed
Vendors
Apache Redhat
Products
Tomcat Certificate System Enterprise Linux and 4 more
CVE-2007-3382

tomcat handling of cookies

Apache Tomcat 6.0.0 to 6.0.13, 5.5.0 to 5.5.24, 5.0.0 to 5.0.30, 4.1.0 to 4.1.36, and 3.3 to 3.3.2 treats single quotes ("'") as delimiters in cookies, which might cause sensitive information such as session IDs to be leaked and allow remote attackers to conduct session hijacking attacks.

CVSS 2.0 · 4.3 Medium EPSS 37.5% KEV · Not listed
Vendors
Apache Redhat
Products
Tomcat Certificate System Enterprise Linux and 4 more
CVE-2006-5752

httpd mod_status XSS

Cross-site scripting (XSS) vulnerability in mod_status.c in the mod_status module in Apache HTTP Server (httpd), when ExtendedStatus is enabled and a public server-status page is used, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors involving charsets with browsers that perform "charset detection" when the content-type is not specified.

CVSS 2.0 · 4.3 Medium EPSS 27.8% KEV · Not listed
Vendors
Apache Canonical Fedoraproject and 1 more
Products
Http Server Ubuntu Linux Fedora and 9 more