Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache CXF's cxf-rt-rs-security-jose-jaxrs package is affected in versions 4.2.0 up to but not including 4.2.2, and versions before 4.1.7. An attacker who can send requests to an application using the JWS JSON request filter can cause CXF to process metadata that was not covered by the accepted signature, which may affect how request entities are parsed or how signed headers are checked. Upgrade to version 4.2.2 or 4.1.7, which fix this issue.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0028, the 20th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 12 Jun 2026, 10:16 UTC Confirmed by NVD
- 31 Oct 2026, 14:19 UTC First seen by agentprime
- 31 Oct 2026, 14:19 UTC Confirmed by OSV