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  5. GHSA-8qqm-fp2q-v734

GHSA-8qqm-fp2q-v734: Skipper: Incomplete fix for CVE-2026-50197: an oversized body can bypass OPA deny-on-presence Rego policies

July 17, 2026 (updated September 25, 2026)

A wrong policy can be an open door. You have to check input.attributes.request.http.truncated_body in your policy.

References

  • github.com/advisories/GHSA-8qqm-fp2q-v734
  • github.com/zalando/skipper/commit/2cfceabaa6ff0af65b312dcb9bcbe84691b9d507
  • github.com/zalando/skipper/releases/tag/v0.27.26
  • github.com/zalando/skipper/releases/tag/v0.27.35
  • github.com/zalando/skipper/security/advisories/GHSA-8qqm-fp2q-v734
  • nvd.nist.gov/vuln/detail/CVE-2026-65838

Code Behaviors & Features

Detect and mitigate GHSA-8qqm-fp2q-v734 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 0.27.26

Fixed versions

  • 0.27.26

Solution

Upgrade to version 0.27.26 or above.

Impact 8.2 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Source file

go/github.com/zalando/skipper/GHSA-8qqm-fp2q-v734.yml

Spotted a mistake? Edit the file on GitLab.

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