CVE-2026-117470: esaqa GmbH Psono

WebAuthn assertion replay permits second-factor bypass in Psono Server

CVSS 6.5 MediumEPSS 0.0041 · 35th percentile

Published by the CVE Program (CNA: esaqa) at 27 Oct 2026, 05:53 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
esaqa GmbH	Psono	affected 3.1.0 to before 7.2.4 semver Other versions: unaffected

Identifiers

CVE-2026-117470

CNA

esaqa

Weakness (CWE)

CWE-294

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N	CNA (esaqa)

CISA KEV Not listed.
EPSS 0.0041, the 35th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

27 Oct 2026, 05:53 UTC Confirmed by the CVE List
27 Oct 2026, 06:17 UTC Confirmed by NVD

Sources

References from the CNA

gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117470.md vendor-advisory
gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/serializers/webauthn_verify.py technical-description
gitlab.com/esaqa/psono/psono-server/-/commit/9c9a7f1701535df63370340dcc80210737dc495d patch
gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4 release-notes
gitlab.com/esaqa/psono/psono-server product

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.