OSSRS srs System API api.go systemAPI.Run missing authentication

published 2026-10-06 34 d ago modified 2026-10-06 33 d ago also EUVD-2026-92916

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 3

OSSRS srs 8.0-d0

github.com/ossrs/srs@bb5fde2 commit
github.com/ossrs/srs#4726 pull request
github.com/ossrs/srs/releases/tag/v8.0-d0 release

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 33 d ago (2026-10-06)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/ossrs/srs/issues/4690 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CNA	4.0	5.5	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

OSSRS srs

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-287 Improper Authentication

References

github.com /ossrs/srs/pull/4726
issue-tracking, patch
github.com /ossrs/srs/commit/bb5fde228f4ca5bd26d96368b61f6e0c21df51df
patch
github.com /ossrs/srs/releases/tag/v8.0-d0
patch
github.com /ossrs/srs/issues/4690
exploit, issue-tracking
vuldb.com /vuln/413620
vdb-entry, technical-description
vuldb.com /vuln/413620/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-105486
third-party-advisory
vuldb.com /submit/986193
third-party-advisory
github.com /ossrs/srs/
product

Sources

CVE List CVE-2026-105486
NVD CVE-2026-105486

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary