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CVE-2026-92399— GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow

Quick assessment

Affected

n/a GPAC

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 GPAC 26.07.0 中确认存在一个漏洞。该漏洞影响组件“WebSocket 处理器”中文件里的函数。通过对参数进行操作，可能导致基于堆的缓冲区溢出。该攻击可以远程发起。利用该漏洞的代码已公开披露，并可能被实际利用。升级到版本可以缓解此问题。该补丁的提交哈希为。建议升级受影响的组件。

CVSS 7.3 · High Updated Sep 17, 2026

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Vulnerability Information

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Vulnerability Title

GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

堆缓冲区溢出

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	GPAC	26.07.0	`cpe:2.3:a:gpac:gpac::::::::`

II. Public POCs for CVE-2026-92399

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-92399

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Patches & Fixes for CVE-2026-92399 (1)

rmtws: handle extra_payload better (fixes #3860) · gpac/gpac@37bccbb · GitHub patch

Other References for CVE-2026-92399 (2)

Other References for CVE-2026-92399 (1)

https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py exploit

https://www.cve.org/CVERecord?id=CVE-2026-92399

Same Patch Batch · n/a · 2026-09-16 · 7 CVEs total

CVE-2026-92380	7.3 HIGH	WuzhiCMS Remote Image Fetch index.php saveRemote server-side request forgery
CVE-2026-92416	4.3 MEDIUM	Open5GS PFCP Session Report Request n4-handler.c smf_n4_handle_session_report_request asse
CVE-2026-92383	4.3 MEDIUM	PbootCMS User Management UserController.php mod cross-site request forgery
CVE-2026-92381	3.5 LOW	PbootCMS Template Rendering ContentController.php decode_string cross site scripting
CVE-2026-51990		搜狗输入法16.3.0.3498前任意代码执行漏洞
CVE-2026-88593		CVE-2026-88593

IV. Related Vulnerabilities

Same product: GPAC

Same vendor: n/a

Same weakness: CWE-122

V. Comments for CVE-2026-92399

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-92399— GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow

Quick assessment

I. Basic Information for CVE-2026-92399

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-92399

III. Intelligence Information for CVE-2026-92399

Patches & Fixes for CVE-2026-92399 (1)

Other References for CVE-2026-92399 (2)

Other References for CVE-2026-92399 (1)

Same Patch Batch · n/a · 2026-09-16 · 7 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-92399

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