CVE-2026-18255CWE-863broken-access-control

CVE-2026-18255

High · published July 29, 2026

CVSS v3.1
7.2
EPSS
1%
Percentile
55.2
In the wild
Unconfirmed
What it is

A flaw was found in Quay. A user configured in GLOBAL_READONLY_SUPER_USERS is able to view robot account tokens for repositories they are not a member of, allowing an attacker with read-only superuser privileges to impersonate any robot account.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00771 · 55.2th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-07-29T21:16Z
References (10)
https://access.redhat.com/errata/RHSA-2026:63307 · [email protected]https://access.redhat.com/errata/RHSA-2026:65514 · [email protected]https://access.redhat.com/errata/RHSA-2026:66084 · [email protected]https://access.redhat.com/errata/RHSA-2026:66523 · [email protected]https://access.redhat.com/errata/RHSA-2026:69255 · [email protected]https://access.redhat.com/errata/RHSA-2026:70267 · [email protected]https://access.redhat.com/errata/RHSA-2026:74511 · [email protected]https://access.redhat.com/errata/RHSA-2026:81110 · [email protected]https://access.redhat.com/security/cve/CVE-2026-18255 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2508454 · [email protected]
EPSS history
Timeline
  • 29 JUL 16:34Z
    Quay: quay: global read-only superuser can view robot account tokens
    cvelistv5