Critical (9.8) in enonic xp. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in com.enonic.xp:lib-auth 7.7.4.
Enonic XP versions less than 7.7.4 are vulnerable to a session fixation issue. An remote and unauthenticated attacker can use prior sessions due to the lack of invalidating session attributes.
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
0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)