CVE-2026-39410 Affecting gemini-cli package, versions <0.37.0-r0
Threat Intelligence
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-GEMINICLI-15986381
- published12 Apr 2026
- disclosed8 Apr 2026
Introduced: 8 Apr 2026
CVE-2026-39410 (opens in a new tab)How to fix?
Upgrade Chainguard gemini-cli to version 0.37.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gemini-cli package and not the gemini-cli package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a discrepancy between browser cookie parsing and parse() handling allows cookie prefix protections to be bypassed. Cookie names that are treated as distinct by the browser may be normalized to the same key by parse(), allowing attacker-controlled cookies to override legitimate ones. This vulnerability is fixed in 4.12.12.