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GHSA-2ccx-cjjh-r2j8 — mediamtx

GHSA-2ccx-cjjh-r2j8 is a security vulnerability in github.com/bluenviron/mediamtx. A fix is available for github.com/bluenviron/mediamtx — see the affected versions and patch details below.

MediaMTX affected by CVE-2026-27143 due to vulnerable dependency

Also known asGO-2026-4989
Published
May 6, 2026
Updated
May 20, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of May 20, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐹github.com/bluenviron/mediamtx

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Summary

Release 1.17.1 seems affected by CVE-2026-27143. golang 1.25.9 Seems to solve the issue. Is there any new release planned?

Details

See https://nvd.nist.gov/vuln/detail/CVE-2026-27143.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/bluenviron/mediamtx≥ 1.15.0&&< 1.18.01.18.0go get github.com/bluenviron/mediamtx@v1.18.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/bluenviron/mediamtx, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/bluenviron/mediamtx to 1.18.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-2ccx-cjjh-r2j8 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-2ccx-cjjh-r2j8 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-2ccx-cjjh-r2j8. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Summary Release 1.17.1 seems affected by CVE-2026-27143. golang 1.25.9 Seems to solve the issue. Is there any new release planned? ### Details See https://nvd.nist.gov/vuln/detail/CVE-2026-27143.
O3 Security · Impact-Aware SCA

Is GHSA-2ccx-cjjh-r2j8 in your dependencies?

O3 Security finds GHSA-2ccx-cjjh-r2j8 across Go dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-2ccx-cjjh-r2j8: mediamtx | O3 Security