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Apache CXF OAuth2 TOCTOU Race Condition in Refresh Token Processing
Apache CXF OAuth2 TOCTOU Race Condition in Refresh Token Processing
Affected packages
- org.apache.cxf:cxf-rt-rs-security-oauth2— 4.2.0 → 4.2.2
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-50631
- https://github.com/apache/cxf
- https://lists.apache.org/thread/s83t3x4r626o9h8rt0ryr1w7w53l1vv8
- http://www.openwall.com/lists/oss-security/2026/06/11/8
Structured record: https://osv.dev/vulnerability/GHSA-83r6-96m8-r52p
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