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Advisory record · GHSA-qg67-7m6v-qg25

zot: Bearer authentication maps DELETE to push scope, allowing unauthorized deletion

CVSS 8.1 HighEPSS 0.0081 · 57th percentile

Published by the GitHub Advisory Database at 18 Sept 2026, 17:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
zotregistry.dev/zot/v2Go<2.1.182.1.18
Identifiers
GHSA-qg67-7m6v-qg25 · CVE-2026-61833 · GO-2026-6527
Weakness (CWE)
CWE-285
Tags
Published
18 Sept 2026
Updated
28 Sept 2026

Machine-written summary

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

The zot registry package (Go module zotregistry.dev/zot/v2) before 2.1.18 is affected. A client holding a bearer token that only grants pull and push scopes can delete manifests and blobs within that token's repository scope, because the bearer authentication handler maps DELETE requests to the push action and the delete-specific authorization check is skipped. Upgrade to version 2.1.18 or later; no workaround is listed.

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
8.1 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0081, the 57th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:12 UTC First seen by agentprime
  2. 31 Oct 2026, 14:12 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.