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CVE-2026-92399

7.3 · HIGH

A vulnerability was determined in GPAC 26.07.0.

Published Sep 16, 2026CWE-119EPSS 0.69%

Overview

CVE-2026-92399 is a high-severity vulnerability. It was published on September 16, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.26 is able to mitigate this issue. This patch is called 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12. Upgrading the affected component is recommended.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/gpac/gpac/GitHubgithub.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12GitHubgithub.com/gpac/gpac/issues/3860GitHubgithub.com/gpac/gpac/releases/tag/abi-16.26GitHubgithub.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.pyRefvuldb.com/cve/CVE-2026-92399Refvuldb.com/submit/940250Refvuldb.com/vuln/405551Refvuldb.com/vuln/405551/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92399?

CVE-2026-92399 is a high-severity vulnerability. It was published on September 16, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-92399?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-92399?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-92399?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92399 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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