CVE-2026-45254CWE-269

Incorrect libcap_net limitation list manipulation

Medium · published May 21, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
19.9
In the wild
Unconfirmed
What it is

In the case of the cap_net service, when a key present in the old limit was omitted from the new limit, the missing key was treated as "allow any" instead of being rejected.

In certain scenarios, an application that had previously restricted a subset of network operations could ask for a new limit that extended the permissions of the process.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00285 · 19.9th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-05-21T09:34Z
EPSS history
Timeline
  • 21 MAY 09:34Z
    Incorrect libcap_net limitation list manipulation
    cvelistv5