Critical (9.8) in haloservicesolutions haloitsm. EPSS 0.5% chance of exploitation in the next 30 days.
HaloITSM versions up to 2.146.1 are affected by a SAML XML Signature Wrapping (XSW) vulnerability. When having a SAML integration configured, anonymous actors could impersonate arbitrary HaloITSM users by just knowing their email address. HaloITSM versions past 2.146.1 (and patches starting from 2.143.61 ) fix the mentioned vulnerability.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)