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CVE-2026-16487

Last refreshed2026-10-19

Status: UPDATED  |  Advisory ID: CVE-2026-16487

Key Details

CVECVE-2026-16487
CVSS Score / Version
8.1 (High) / CVSS v3.1
Updated2026-10-19
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, and Red Hat Hardened Images
Classified as
CWE-345 (Insufficient Verification of Data Authenticity)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Red HatRed Hat Enterprise Linux 10
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Hardened Images
SubsystemsOT Supporting Infrastructure
SectorsMultiple

What to Know

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. (NVD)

What to Do

Monitor Red Hat's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-16487
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-16487
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