Tar: tar: hidden file injection via crafted archives
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5epss 0.4%
exploitation probability
0.4%top 68% of all CVEs
observed exploitation
nono source reports it
A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Affected products
Red Hat · Red Hat Discovery 2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat Update Infrastructure 5References
https://access.redhat.com/errata/RHSA-2026:61581https://access.redhat.com/errata/RHSA-2026:61586https://access.redhat.com/errata/RHSA-2026:61783https://access.redhat.com/errata/RHSA-2026:66018https://access.redhat.com/errata/RHSA-2026:66514https://access.redhat.com/errata/RHSA-2026:70390https://access.redhat.com/security/cve/CVE-2026-5704https://bugzilla.redhat.com/show_bug.cgi?id=2455360http://www.openwall.com/lists/oss-security/2026/04/11/10http://www.openwall.com/lists/oss-security/2026/04/11/11http://www.openwall.com/lists/oss-security/2026/04/12/2