🛡️ CVE-2026-66344

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

• 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: Low — an ordinary user account is enough.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-66344 is classified as CWE-427: Uncontrolled Search Path Element. A writable directory appears in a search path, so a planted file can be loaded in place of the intended one.

Affected software

CVE-2026-66344 is recorded against 1 package.

• unknown

Timeline and source

Published on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

jvn.jp
www.istinc.co.jp
www.istinc.co.jp

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-427: Uncontrolled Search Path Element) in other software:

• CVE-2022-24765 (8.0 High, published 17 Aug 2026)
• CVE-2026-13133 (published 10 Aug 2026)
• CVE-2026-9169 (8.8 High, published 7 Aug 2026)
• CVE-2026-18657 (7.8 High, published 4 Aug 2026)
• CVE-2026-18656 (7.8 High, published 4 Aug 2026)
• CVE-2026-18718 (7.0 High, published 3 Aug 2026)
• CVE-2026-9593 (6.7 Medium, published 3 Aug 2026)
• CVE-2026-8164 (7.3 High, published 28 Jul 2026)

Details

Affected Packages

References