01 Record
CVE-2026-117470
WebAuthn assertion replay permits second-factor bypass in Psono Server
MediumPUBLISHEDCNA: esaqa
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
02 Description
WebAuthn assertion replay permits second-factor bypass in Psono Server
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
- NVD analysis status
- Received. NVD last modified this record on 2026-10-27.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-27 05:53Z2 HR AGO
- Last updated
- 2026-10-27 05:53Z2 HR AGO
- Reserved
- 2026-10-27
- Assigning CNA
- esaqa
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
- Weaknesses
- CWE-294Authentication Bypass by Capture-replayBase
- Data version
- 5.2
- Document digest
- d98b9642d68a646452f6390a32273a0ffd46f8c0744eee6c976fa28591761ddf
05 Affected products
VendorProductVersionsPlatforms
06 References
- gitlab.comVendor security advisory for CVE-2026-117470https://gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117470.md
- gitlab.comhttps://gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/serializers/webauthn_verify.py
- gitlab.comhttps://gitlab.com/esaqa/psono/psono-server/-/commit/9c9a7f1701535df63370340dcc80210737dc495d
- gitlab.comhttps://gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4
- gitlab.comhttps://gitlab.com/esaqa/psono/psono-server
07 Remediation
Upgrade to Psono Server 7.2.4 or later.