Ghostwire

CVE-2026-5774: Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow...

MEDIUM CVSS 5.5 EPSS 0.01% Exploit Available 1 PoC

Published: April 10, 2026 | Last Modified: April 10, 2026

Description

Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow an authenticated user to possibly cause a denial of service on the server or possibly reuse a single-use discharge token.

Ghostwire Analysis — What This Means Practically

Exploitation Probability (EPSS): Low — 0.01% (1th percentile)

Low exploitation probability based on current threat landscape data. Standard patching timeline is appropriate.

Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Proof-of-Concept Exploits (1)

juju/juju

CVE-2026-5774: Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow...

Description

Ghostwire Analysis — What This Means Practically

Proof-of-Concept Exploits (1)

Security Coverage (2 articles)

References