CVE-2026-76243

Description

stigmem versions before 0.9.0a2 allow unauthenticated access when authentication is disabled on non-loopback deployments. Attackers can perform read, write, and federation operations with anonymous identity when nodes are exposed outside local development environments.

References

• https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-fp6w-8wpg-74g5
• https://www.vulncheck.com/advisories/stigmem-before-0a2-authentication-bypass-via-disabled-auth