---
cve: "CVE-2026-92399"
severity: "MEDIUM"
cvss: 6.9
epss: "5.8%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-09-16 16:15:08"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T19:37:54+02:00"
---

# CVE-2026-92399

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

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-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12 (Commit)
- c1a7cf55f59ef7954939c44f6b24b95c54469214 (Commit)

## Referenzen

- <https://vuldb.com/vuln/405551>
- <https://vuldb.com/vuln/405551/cti>
- <https://vuldb.com/cve/CVE-2026-92399>
- <https://vuldb.com/submit/940250>
- <https://github.com/gpac/gpac/issues/3860>
- <https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py>
- <https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12>
- <https://github.com/gpac/gpac/releases/tag/abi-16.26>
- <https://github.com/gpac/gpac/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-92399) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_