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Vulnerability record · CVE-2026-78807 · published 11 September 2026

CVE-2026-78807: Origin validation error vulnerability

An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c

7.1 CVSS 3.1 High EPSS 0.11% · top 98.7% CWE-346 · Origin validation error Awaiting Analysis
7.1CVSS 3.1 base score
0.11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
22 Sep 2026Last modified by NVD

Description

An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c

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

References

LinkTags
https://w1.fi/security/2026-2/missing-network-context-validation-for-pmksa-caching.txt

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Source: NIST National Vulnerability Database (record CVE-2026-78807), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.