HIGHCVSS v3.1 8.1Vulnerability

CVE-2026-16487

A flaw was found in bootc when operating with the default containers signature policy. Automatic or manual upgrades of a mutable image tag may apply unsigned content for registries that fall through to insecureAcceptAnything, allowing an attacker who can update that tag to execute arbitrary OS content as the host root filesystem on reboot.

Properties

Severity
HIGH
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00173
Cvss severity
HIGH
Cvss score
8.1
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
8.1
Cvss version
3.1
Cve id
CVE-2026-16487
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-10-19T06:58:53+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published at
2026-10-19T06:17:24.203
Last modified
2026-10-19T21:03:27.760
Epss percentile
0.06308

Related Entities (1)

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CVE-2026-16487 (CVSS v3.1 8.1) — Ninja Signal Threat Intelligence | Ninja Signal