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Advisory record · GHSA-2p9g-x3cv-5hh4

Private Weblate projects vulnerable to observable object existence disclosure via globally scoped object lookups

CVSS 4.3 MediumEPSS 0.0032 · 25th percentile

Published by the GitHub Advisory Database at 28 Aug 2026, 18:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
weblatePyPI<2026.72026.7
Identifiers
GHSA-2p9g-x3cv-5hh4 · CVE-2026-55227 · PYSEC-2026-3941
Weakness (CWE)
CWE-203
Tags
Published
28 Aug 2026
Updated
10 Sept 2026

Machine-written summary

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

Weblate versions before 2026.7 are vulnerable: several endpoints return HTTP 403 instead of 404 for objects in private projects, so users without access can tell whether those objects exist. The source does not describe the exact attacker position or which objects are exposed, and it gives few details beyond this. Upgrade to Weblate 2026.7, which contains the fix.

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
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0032, the 25th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:10 UTC First seen by agentprime
  2. 31 Oct 2026, 14:10 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.