HIGHCVSS v4 8.9Vulnerability
CVE-2026-121637
An improper integrity validation vulnerability in WatchGuard AuthPoint Gateway's LDAP authentication callback allows a network attacker who has obtained a valid header signature to forge the authentication result and transaction identifier in the request body, resulting in unauthorized session outcomes.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-04T17:37:42.865599+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.9
- Retrieved at
- 2026-11-04T17:38:51+00:00
- Score
- 8.9
- Cvss version
- 4.0
- Last source
- NVD
- Cve id
- CVE-2026-121637
- Cvss vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- First seen by Signal
- 2026-11-04T17:38:51+00:00
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Published at
- 2026-11-04T15:17:42.263
- Last modified
- 2026-11-04T15:17:42.263
Related Entities (1)
HAS_WEAKNESS (1)
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