CVE-2026-76243

CRITICALCVSS 9.2/10EPSS 0.40%

Last modified

CVE-2026-76243 is a critical-severity vulnerability rated 9.2/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
eidetic-labsstigmem< 0.9.0a2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-76243?
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.
How severe is CVE-2026-76243?
CVE-2026-76243 has a CVSS score of 9.2/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2026-76243?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST