🛡️ CVE-2026-8671 — avantra

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs administrative 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 low, integrity high, availability low.

CVSS metrics in full

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

• Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• 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-2026-8671 is classified as CWE-532: Insertion of Sensitive Information into Log File. Sensitive values are written to logs, which are typically kept longer and read more widely than the data warrants.

Affected software

CVE-2026-8671 is recorded against 1 package.

• avantra (fixed in 25.3.0)

Timeline and source

Published on 22 May 2026 and last revised on 23 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

support.avantra.com

Other advisories for this package

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

• CVE-2026-8673 (5.9 Medium, published 22 May 2026)
• CVE-2026-8672 (5.1 Medium, published 22 May 2026)
• CVE-2026-8670 (9.6 Critical, published 22 May 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-532: Insertion of Sensitive Information into Log File) in other software:

• CVE-2026-65945 (6.5 Medium, published 10 Aug 2026)
• CVE-2026-46358 (published 7 Aug 2026)
• CVE-2026-0637 (4.4 Medium, published 6 Aug 2026)
• CVE-2026-20289 (5.7 Medium, published 5 Aug 2026)
• CVE-2026-12947 (7.5 High, published 30 Jul 2026)
• CVE-2026-44105 (6.6 Medium, published 30 Jul 2026)
• CVE-2026-59326 (3.3 Low, published 30 Jul 2026)
• CVE-2026-54704 (6.5 Medium, published 29 Jul 2026)

Details

Affected Packages

References