stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| eidetic-labs | stigmem | before 0.9.0a2 | 0.9.0a2 | Patch available | CNA |
- stigmem Vendoreidetic-labs Affected before 0.9.0a2 Fixed in 0.9.0a2 Patch available CNA
Remediation
- Fix · CNA stigmem (eidetic-labs) Fixed in 0.9.0a2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
eidetic-labs stigmem 0.9.0a2
6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-53349 stigmem-node Insecure Federation Transport ConfigurationPriority MEDIUM 41
- TI-2026-53347 stigmem Federation Peer Registration Authentication BypassPriority MEDIUM 41
- TI-2026-53345 stigmem Postgres SQL Injection via Schema IdentifierPriority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76243
- 2026-10-03 Alias added: GHSA-rqm4-4g3h-95wm
References
More eidetic-labs vulnerabilities
- TI-2026-53344 Stigmem before 0.9.0a11 SSRF via unvalidated webhook delivery_address CVSS 4.0MEDIUM 5.3
- TI-2026-53349 stigmem-node Insecure Federation Transport Configuration CVSS 4.0CRITICAL 9.1
- TI-2026-53347 stigmem Federation Peer Registration Authentication Bypass CVSS 4.0CRITICAL 9.1
- TI-2026-53342 stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine CVSS 4.0HIGH 8.6
- TI-2026-53345 stigmem Postgres SQL Injection via Schema Identifier CVSS 4.0HIGH 7.5
- TI-2026-53343 stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweep CVSS 4.0HIGH 7.2
Sources
- CVE-2026-76243 · CVE Program
- CVE-2026-76243 · NVD
- FIRST EPSS
- GHSA-rqm4-4g3h-95wm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences