6.5

CVE-2026-50634: apache software foundation apache cxf

CVSS: 6.5v3.1MediumModified
AliasesGHSA-33j8-j763-4fv5
Published 12-06-2026Last modified 07-08-2026
Open JSON

Vulnerability summary

CVE-2026-50634 is a medium (CVSS 6.5) vulnerability in apache software foundation apache cxf. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-06-2026
    PublishedVulnerability first disclosed.
  2. 07-08-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticated by the accepted signature. This can bypass the application's assumption that accepted `Content-Type` or protected HTTP-header metadata came from a verified signature entry, and may steer downstream JAX-RS entity parsing or signed-header consistency checks. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

+0.09 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • cxf< 4.1.7 | ≥ 4.2.0, < 4.2.2
Apache software foundation1 product
  • apache cxf≥ 4.2.0, < 4.2.2 | ≥ 4.0.0, < 4.1.7 | < 3.6.12
Org.apache.cxf1 product
  • cxf-rt-rs-security-jose-jaxrs≥ 4.2.0, < 4.2.2 | < 4.1.7

3 vendors · 3 products

References

4 links