CVE-2026-65604 PUBLISHED

Skipper Incomplete Fix for CVE-2026-50197 Policy Bypass

Assigner: VulnCheck
Reserved: 22.07.2026 Published: 23.07.2026 Updated: 24.07.2026

Skipper contains an incomplete fix for CVE-2026-50197 in which oversized request bodies bypass Open Policy Agent (OPA) deny-on-presence Rego policies. When a request body exceeds the configured maxBodyBytes limit, Skipper forwards the full payload to the upstream service while OPA evaluates against an empty parsed_body, so policies that deny requests based on body content are not enforced and forbidden actions proceed. No fixed version is available; v0.27.26 adds documentation guidance only.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.8

Product Status

Vendor zalando
Product skipper
Versions Default: affected

Credits

  • sec-reex reporter

References

Problem Types

  • Improper Input Validation CWE