CVE-2026-76243
stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth
- State
- Published
- Severity
- 9.2 Critical
- Published
- Aug 19, 2026
- Updated
- Aug 25, 2026
- Reserved
- Aug 19, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
Weaknesses
- CWE-285 Improper Authorization
Affected Products
| Product | Versions |
|---|---|
stigmemeidetic-labs |
|
References
- GitHub Security Advisory (GHSA-fp6w-8wpg-74g5)vendor-advisory
- VulnCheck Advisory: stigmem before 0.9.0a2 Authentication Bypass via Disabled Auththird-party-advisory
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