[3.12] gh-157190: Fix tarfile data/tar filter bypass via hard link to a symlink (GH-157191) (GH-157192) - #157454
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…rd link to a symlink (pythonGH-157191) (pythonGH-157192) (cherry picked from commit 480ea4a) The backport to 3.13 and below includes a NEWS entry. (cherry picked from commit b8f23e3) Co-authored-by: Stan Ulbrych <stan@python.org>
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needs backport to 3.10
cesararroba
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Sep 21, 2026
… MCP lock Touching api/ woke the API container gate, and Grype (not Trivy) blocks on CVE-2026-82049, HIGH, in the CPython 3.12.13 interpreter of the base image. The SDK image shares the base and fails the same way. It is pre-existing on master, not caused by the anyio bump. There is no fixed CPython release on any branch: the fix is merged on main and 3.13 only, the 3.12 backport is still open: python/cpython#157454 Grype records 3.14.0b1 as the fix, so only-fixed does not drop it, and python:3.12.14-slim-trixie reports it too, so a base image bump does not help. Upstream issue: python/cpython#157190 Exposure: the CVE is a tarfile extraction-filter bypass. Prowler never extracts tar archives to disk; the only first-party tarfile use (ECR image inspection) reads members in memory with extractfile(). Changing .grype.yaml wakes the MCP and UI container gates too, and the MCP lock still carried anyio 4.13.0, so it is bumped here to 4.14.2 (lock only, anyio is transitive there). The lock change is byte-identical to dependabot's #12844, which this supersedes. Verified with Grype 0.116.1 (the CI version), --only-fixed --by-cve, against python:3.12.13-slim-trixie: master's .grype.yaml reports CVE-2026-82049 on python, the updated one reports no High/Critical python findings.
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(cherry picked from commit 480ea4a) The backport to 3.13 and below includes a NEWS entry.
data/tarfilter bypass via hard link to a symlink #157190