CVE-2026-92399GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow
Updated under an hour ago ()
Does this affect you?
It affects n/a GPAC. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 7.3 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-122, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a GPAC gpac:gpac | 26.07.0; abi-16.26 not affected | CNA record |
References
- https://vuldb.com/vuln/405551vdb-entry, technical-description
- https://vuldb.com/vuln/405551/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-92399third-party-advisory
- https://vuldb.com/submit/940250third-party-advisory
- https://github.com/gpac/gpac/issues/3860issue-tracking
- https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.pyexploit
- https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12patch
- https://github.com/gpac/gpac/releases/tag/abi-16.26patch
- https://github.com/gpac/gpac/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.