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OpenAdvisories
Critical · 9.2 CVE-2026-76243 EUVD-2026-62407GHSA-fp6w-8wpg-74g5GHSA-rqm4-4g3h-95wm

stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth

Published Aug 19, 2026 · Updated Aug 25, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
eidetic-labs stigmem < 0.9.0a2 0.9.0a2

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI stigmem-node < 0.9.0a2 0.9.0a2 GHSA-fp6w-8wpg-74g5

References