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CVE record · CVE-2026-5704

Tar: tar: hidden file injection via crafted archives

CVSS 5.0 MediumEPSS 0.0045 · 38th percentile

Published by the CVE Program (CNA: redhat) at 6 Apr 2026, 15:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 Package name: tar https://access.redhat.com/downloads/content/package-browser/
  • unaffected 2:1.35-13.el10_2 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: tar https://access.redhat.com/downloads/content/package-browser/
  • unaffected 2:1.30-13.el8_10 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: tar https://access.redhat.com/downloads/content/package-browser/
  • unaffected 2:1.34-13.el9_8 to before * rpm
Other versions: affected
Red Hat Red Hat Discovery 2 Package name: discovery/discovery-server-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788205779 to before * rpm
Other versions: affected
Red Hat Red Hat Hardened Images Package name: tar-main https://catalog.redhat.com/software/containers/
  • unaffected 1.35-10.hum1 to before * rpm
Other versions: affected
Red Hat Red Hat Update Infrastructure 5 Package name: rhui5/cds-kubernetes-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788880445 to before * rpm
Other versions: affected
Red Hat Red Hat Update Infrastructure 5 Package name: rhui5/cds-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788880464 to before * rpm
Other versions: affected
Red Hat Red Hat Update Infrastructure 5 Package name: rhui5/haproxy-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788880456 to before * rpm
Other versions: affected
Red Hat Red Hat Update Infrastructure 5 Package name: rhui5/installer-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788765051 to before * rpm
Other versions: affected
Red Hat Red Hat Update Infrastructure 5 Package name: rhui5/rhua-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788880581 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: tar https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 7 Package name: tar https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2026-5704
CNA
redhat
Weakness (CWE)
CWE-434
Tags
Published
6 Apr 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.0 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0045, the 38th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 6 Apr 2026, 15:17 UTC Confirmed by the CVE List
  2. 6 Apr 2026, 16:16 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.