Race Condition Affecting github.com/juju/juju/apiserver package, versions <2.9.58>=3.6-beta1 <3.6.21
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMJUJUJUJUAPISERVER-16322716
- published30 Apr 2026
- disclosed10 Apr 2026
- creditfg0x0
Introduced: 10 Apr 2026
CVE-2026-5774 Â (opens in a new tab)How to fix?
Upgrade github.com/juju/juju/apiserver to version 2.9.58, 3.6.21 or higher.
Overview
Affected versions of this package are vulnerable to Race Condition due to unsynchronized concurrent access to the userTokens map in the local authentication process. An attacker can cause the server to crash or reuse authentication tokens by sending multiple simultaneous requests to the discharge endpoint.