Missing authentication in OSSRS srs System API
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
OSSRS srs up to 7.0-a1 is affected. The systemAPI.Run function in internal/proxy/api.go of the System API component lacks authentication (CWE-306). A remote attacker without privileges or user interaction can reach the function, and a public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A vulnerability was detected in OSSRS srs up to 7.0-a1. This affects the function systemAPI.Run of the file internal/proxy/api.go of the component System API. Performing a manipulation results in missing authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 8.0-d0 mitigates this issue. The patch is named bb5fde228f4ca5bd26d96368b61f6e0c21df51df. The affected component should be upgraded.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade OSSRS srs to version 8.0-d0, which contains patch bb5fde228f4ca5bd26d96368b61f6e0c21df51df.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA srs (OSSRS) Fixed in 8.0-d0
Timeline
- 2026-10-06 Threatist record created from CVE-2026-105486
- 2026-10-06 Alias added: GHSA-m55h-2fw5-fv4g
- 2026-10-06 CISA SSVC decision points changed
- 2026-10-06 Priority changed: MEDIUM → HIGH
References
More ossrs vulnerabilities
- TI-2023-16951 SRS has command injection vulnerability in demonstration api-server for HTTP callback. CVSS 3.1HIGH 7.5
- TI-2024-19651 SRS DOM - XSS on JSONP callback CVSS 3.1HIGH 7.2
Sources
- CVE-2026-105486 · CVE Program
- CVE-2026-105486 · NVD
- FIRST EPSS
- GHSA-m55h-2fw5-fv4g · GitHub Advisory Database · CC BY 4.0
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