CVE-2026-55987CWE-863broken-access-control

CVE-2026-55987

High · published August 13, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.4th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-13T21:17Z
References (4)
EPSS history
Timeline
  • 13 AUG 16:44Z
    OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)
    cvelistv5