[UPDATE] [medium] Apache CXF: Multiple vulnerabilities

mediumCVE-2026-49875 CVE-2026-50623 CVE-2026-50627 CVE-2026-50628 CVE-2026-50629 CVE-2026-50630

A remote, authenticated attacker can exploit multiple vulnerabilities in Apache CXF to bypass security measures, conduct XML External Entity attacks, manipulate data, or disclose confidential information.

CSIRTS triage

vendor: Apache product: CXF Authentication bypass Information disclosureOther

What: A remote, authenticated attacker can exploit multiple vulnerabilities in Apache CXF to bypass security measures and disclose confidential information.
Who is affected: Authenticated users of Apache CXF are affected.
Urgency: Remediation is medium urgency as it can lead to information disclosure.
Action: Update to the latest version of Apache CXF.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-08-18
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1895

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-498750.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506230.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506270.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506280.68% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506290.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506300.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506310.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506320.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506330.86% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 55% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-506340.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-49875	coverage & exploitation status	NVD · CVE.org
CVE-2026-50623	coverage & exploitation status	NVD · CVE.org
CVE-2026-50627	coverage & exploitation status	NVD · CVE.org
CVE-2026-50628	coverage & exploitation status	NVD · CVE.org
CVE-2026-50629	coverage & exploitation status	NVD · CVE.org
CVE-2026-50630	coverage & exploitation status	NVD · CVE.org
CVE-2026-50631	coverage & exploitation status	NVD · CVE.org
CVE-2026-50632	coverage & exploitation status	NVD · CVE.org
CVE-2026-50633	coverage & exploitation status	NVD · CVE.org
CVE-2026-50634	coverage & exploitation status	NVD · CVE.org
CVE-2026-50645	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[NEW] [medium] IBM WebSphere Application Server: Multiple vulnerabilities enable Denial of Servicecert-bund
unknownexploitedMultiple vulnerabilities in IBM products (August 21, 2026)cert-fr-avis
unknownexploitedMultiple vulnerabilities in IBM products (August 14, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (August 07, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (July 17, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (July 10, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (July 3, 2026)cert-fr-avis
unknownIBM WebSphere Products Multiple Vulnerabilitieshkcert
criticalGHSA-qp3f-rvj8-46c8: Apache CXF JNDI Injection vulnerability in DispatchMDBMessageListenerImplghsa
highGHSA-ghvc-7hp8-2g2v: Apache cxf-core: No restriction on attachment headers per messageghsa
mediumGHSA-33j8-j763-4fv5: Apache CXF: WS JSON request filter trusts metadata from an unvalidated first signature en…ghsa
criticalGHSA-93g8-qqv3-mrx8: Apache CXF has JNDI Injection Vulnerability in JMSConfigFactoryghsa

Recent advisories for Apache CXF

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEW] [medium] Apache CXF: Multiple Vulnerabilitiescert-bund · 2026-08-18
highCVE-2026-68481: In Apache CXF's DefaultEncryptingOAuthDataProvider, revoked access tokens still decrypt succes…nvd · 2026-08-06
criticalCVE-2026-68079: In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeem…nvd · 2026-08-06
criticalCVE-2026-65583: Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without en…nvd · 2026-08-06
criticalCVE-2026-63687: Apache CXF's JwtRequestCodeFilter copies all claims from a signed request JWT into the authori…nvd · 2026-08-06
criticalCVE-2026-61466: In Apache CXF's OAuth2 Dynamic Client Registration endpoint, the authorization server accepts …nvd · 2026-08-06