🛡️ CVE-2025-49090

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality none, integrity high, availability low.

CVSS metrics in full

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

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: None.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2025-49090 is classified as CWE-642: External Control of Critical State Data. The product stores security-critical state information about its users, or the product itself, in a location that is accessible to unauthorized actors.

Affected software

CVE-2025-49090 is recorded against 1 package.

• unknown

Timeline and source

Published on 2 October 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
matrix.org
matrix.org

Other advisories for this package

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

• CVE-2022-4995 (9.8 Critical, published 7 Aug 2026)
• CVE-2022-4994 (published 30 Jul 2026)
• CVE-2023-49900 (9.8 Critical, published 16 Jul 2026)
• CVE-2023-49899 (9.8 Critical, published 16 Jul 2026)
• CVE-2022-4990 (published 3 Jul 2026)
• CVE-2022-4989 (published 3 Jul 2026)
• CVE-2022-50973 (9.8 Critical, published 2 Jul 2026)
• CVE-2023-20540 (published 26 Jun 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-642: External Control of Critical State Data) in other software:

• CVE-2025-26787 (4.7 Medium, published 22 Dec 2025)
• GHSA-97f8-h76h-f297 (2.0 Low, published 28 Jul 2025)
• CVE-2025-54566 (4.2 Medium, published 25 Jul 2025)
• CVE-2024-8754 (8.0 High, published 14 Sep 2024)
• CVE-2024-22387 (6.8 Medium, published 11 Jul 2024)
• CVE-2022-32859 (5.3 Medium, published 1 Nov 2022)
• CVE-2022-22154 (6.8 Medium, published 19 Jan 2022)

Details

Affected Packages

References