Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-92399
n/a GPAC — GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N L L L 5.5 .0069 51.1 —
AFFECTED
Product Versions Fixed
GPAC 26.07.0 – abi-16.26
TIMELINE
Sep 16 Reserved by VulDB
Sep 16 Published (CNA: VulDB)
Sep 18 EXPLOIT PUBLISHED — CVE-2026-92399 (GPAC). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 16, 2026 | Reserved | Reserved by VulDB |
| September 16, 2026 | Published | Published (CNA: VulDB) |
| September 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-92399 (GPAC). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | GPAC | — | 26.07.0 | abi-16.26 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-92399 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.