CVE-2026-79699CWE-59

CVE-2026-79699

Medium · published September 15, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
6.4
In the wild
Unconfirmed
What it is

A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00173 · 6.4th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-09-15T21:17Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-79699 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2523408 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 16:25Z
    Podman: buildah: skopeo: containers/storage: malicious tar whiteout header allows replacement of extraction destination directory
    cvelistv5