🛡️ CVE-2026-27813 — everest

How this vulnerability can be exploited

This issue can be reached with physical access to the device, 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 low, integrity low, availability high.

CVSS metrics in full

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

• Attack vector: Physical — the attacker has to touch the device.
• 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: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-27813 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.

Affected software

CVE-2026-27813 is recorded against 1 package.

• everest (fixed in 2026.02.0)

Timeline and source

Published on 26 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com

Other advisories for this package

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

• CVE-2026-33015 (5.2 Medium, published 26 Mar 2026)
• CVE-2026-26008 (7.5 High, published 26 Mar 2026)
• CVE-2026-27814 (4.2 Medium, published 26 Mar 2026)
• CVE-2026-33014 (5.2 Medium, published 26 Mar 2026)
• CVE-2026-26074 (7.0 High, published 26 Mar 2026)
• CVE-2026-33009 (8.2 High, published 26 Mar 2026)
• CVE-2026-23995 (8.4 High, published 26 Mar 2026)
• CVE-2026-26073 (5.9 Medium, published 26 Mar 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-416: Use After Free) in other software:

• CVE-2022-21540 (5.3 Medium, published 8 May 2026)
• CVE-2022-50542 (7.8 High, published 7 Oct 2025)
• CVE-2022-50552 (7.8 High, published 7 Oct 2025)
• CVE-2022-50507 (7.8 High, published 4 Oct 2025)
• CVE-2022-50496 (7.8 High, published 4 Oct 2025)
• CVE-2022-50492 (7.8 High, published 4 Oct 2025)
• CVE-2022-50488 (7.8 High, published 4 Oct 2025)
• CVE-2022-50433 (7.8 High, published 1 Oct 2025)

Details

Affected Packages

References