Read the docs
TI-2026-62316 Aliases CVE-2026-92399GHSA-mmf7-gvjr-4mjf

GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow

Priority HIGH 70CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0069 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GPAC: abi-16.26

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

VendorProductAffected versionsFixed inStatusSource
—GPAC26.07.0abi-16.26Patch availableCNA
  • GPAC Vendor— Affected 26.07.0 Fixed in abi-16.26 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*——gpac
  • cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:* Versions — — ·gpac

Remediation

  • Fix · CNA GPAC Fixed in abi-16.26

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-92399
  2. 2026-10-03 Alias added: GHSA-mmf7-gvjr-4mjf

References

Exploit 1

Patch 2

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences