🛡️ OESA-2026-2184 — xdg-desktop-portal (CVE-2026-40354)

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: None.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Affected software

OESA-2026-2184 is recorded against 1 package.

• xdg-desktop-portal (fixed in 1.20.4-1.oe2403)

Timeline and source

Published on 3 May 2026 and last revised on 18 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.openeuler.org (Advisory)
nvd.nist.gov (Advisory)

Other advisories for this package

xdg-desktop-portal has other advisories on record. If you are patching this one, these are worth checking on the same host:

• OESA-2026-2999 (9.5 Critical, published 19 Jul 2026)
• OESA-2026-2998 (9.5 Critical, published 19 Jul 2026)
• OESA-2026-3000 (9.5 Critical, published 19 Jul 2026)
• SUSE-SU-2026:2712-1 (published 30 Jun 2026)
• USN-8287-1 (published 20 May 2026)
• OESA-2026-2183 (2.0 Low, published 3 May 2026)
• OESA-2026-2182 (2.0 Low, published 3 May 2026)
• UBUNTU-CVE-2026-40354 (published 11 Apr 2026)

Details

Affected Packages

References