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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-96283— Flatpak: flatpak: flatpak-system-helper cross-user cancelpull orphans another user's ongoing pull

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
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.

通过调用 来取消其他用户的拉取操作，该拉取实际上并未被取消，而是从内部跟踪中被移除，导致拥有该拉取的用户无法停止它。正在进行的拉取操作无法被停止。

CVSS 3.3 · Low
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-96283

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Flatpak: flatpak: flatpak-system-helper cross-user cancelpull orphans another user's ongoing pull
Source: CVE Program / CVE List V5
Vulnerability Description
By calling org.freedesktop.Flatpak.SystemHelper.CancelPull on another user's pull, the pull is not actually cancelled but removed from internal tracking, making it impossible for the owning user to stop it. Ongoing pulls cannot be stopped.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-96283

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-96283

请登录查看更多情报信息。

Other References for CVE-2026-96283 (3)

Same Patch Batch · Red Hat · 2026-09-27 · 6 CVEs total

CVE-2026-96280 7.5 HIGH Flatpak: flatpak: buffer overflow in oci delta stream path names on 32-bit systems
CVE-2026-96279 6.5 MEDIUM Flatpak: flatpak: path traversal issue in oci archive extraction via hardlinks
CVE-2026-96281 6.2 MEDIUM Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system app
CVE-2026-96282 3.1 LOW Flatpak: flatpak: extension metadata path traversal file existence oracle
CVE-2026-96284 2.5 LOW Flatpak: flatpak: arbitrary read-access to files in the system-helper context via oci syml

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-862

V. Comments for CVE-2026-96283

No comments yet

Leave a comment