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CVE-2026-91090— GPAC base_scenegraph.c gf_node_activate_ex stack-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.

GPAC 在提交 f1219cde 之前存在一个已确认的漏洞。受影响的部分是 文件中的 函数。该操作会导致基于栈的缓冲区溢出。攻击者可以在本地主机上发起攻击。该漏洞的利用方式已被公开披露，可能被利用。将版本升级到 abi-16.23 即可修复此问题。补丁名称：9eb40df4448b88d6a6ce3454657c06f47eff0b24。应升级受影响的组件。

CVSS 3.9 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-91090

Vulnerability Information
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Vulnerability Title
GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in GPAC up to f1219cde. The affected element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. This manipulation causes stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is sufficient to fix this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. The affected component should be upgraded.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- GPAC f1219cde cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-91090

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III. Intelligence Information for CVE-2026-91090

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Security Blog Posts for CVE-2026-91090 (1)

Vendor Pages for CVE-2026-91090 (1)

Other References for CVE-2026-91090 (1)

Same Patch Batch · n/a · 2026-09-15 · 6 CVEs total

CVE-2026-91087 7.3 HIGH GPAC Compositor media_object.c gf_mo_get_od_id use after free
CVE-2026-91089 6.3 MEDIUM GPAC base_scenegraph.c gf_node_get_name_and_id use after free
CVE-2026-91086 6.3 MEDIUM GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow
CVE-2026-91088 4.8 MEDIUM GPAC URL url.c gf_url_concatenate_ex heap-based overflow
CVE-2026-91091 4.3 MEDIUM GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child memory corruption

IV. Related Vulnerabilities

Same product: GPAC
Same vendor: n/a
Same weakness: CWE-121

V. Comments for CVE-2026-91090

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