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Advisory record · GHSA-mr95-65j8-9mxp

Trestle SSTI in Jinja2 include tags allows arbitrary code execution (Incomplete fix of CVE-2026-46439)

CVSS 7.8 HighEPSS 0.0024 · 14th percentile

Published by the GitHub Advisory Database at 24 Sept 2026, 19:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
compliance-trestlePyPI<3.12.4 || >=4.0.0, <4.1.03.12.4, 4.1.0
Identifiers
GHSA-mr95-65j8-9mxp · CVE-2026-57170 · PYSEC-2026-4029
Weakness (CWE)
CWE-94 · CWE-1336
Tags
Published
24 Sept 2026
Updated
1 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Versions before 3.12.4 and from 4.0.0 before 4.1.0 of the compliance-trestle package are affected. A malicious actor who can supply crafted OSCAL content that flows into an included markdown file can cause template expressions in that content to be evaluated, leading to arbitrary code execution on the process running trestle, such as a CI runner. Upgrade to 3.12.4 or 4.1.0.

Written 1 Nov 2026.

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

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0024, the 14th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:09 UTC First seen by agentprime
  2. 31 Oct 2026, 14:09 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.