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Vulnerability record · CVE-2026-86709 · published 17 September 2026

CVE-2026-86709: Improper authentication vulnerability

The Pressengine WordPress plugin through 1.0 does not stop its login handler from issuing a session when authentication fails, allowing unauthenticated attackers to log in as any user, including administrators.

9.8 CVSS 3.1 Critical EPSS 0.63% · top 52.1% CWE-287 · Improper authentication Deferred
9.8CVSS 3.1 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

Description

The Pressengine WordPress plugin through 1.0 does not stop its login handler from issuing a session when authentication fails, allowing unauthenticated attackers to log in as any user, including administrators.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://wpscan.com/vulnerability/4b0b16eb-c638-479b-ab65-1cead53f32a8/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-86709), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.