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VulnerabilityPublished Updated

CVE-2026-57966: Red Hat Enterprise Linux 10 · Improper Limitation of a Pathname to a Restricted Directory

Affects Red Hat Enterprise Linux 10Source CVE Database V5

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Not known to be exploited · CVSS 4.4 Medium.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 3.1 base score
4.4Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.14.4
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Enterprise Linux 10spice-vdagentAffected–Fixed in–
Red Hat Enterprise Linux 6spice-vdagentAffected–Fixed in–
Red Hat Enterprise Linux 7spice-vdagentAffected–Fixed in–
Red Hat Enterprise Linux 8mingw-spice-vdagentAffected–Fixed in–
Red Hat Enterprise Linux 8spice-vdagentAffected–Fixed in–
Red Hat Enterprise Linux 9spice-vdagentAffected–Fixed in–

AI-suggested

Until an official fix is available, restrict trust and access to the SPICE host to prevent exploitation. No vendor advisory content indicates that the issue is already mitigated or requires no action.

Description

A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs because the filename provided by the SPICE host during file transfers is not properly sanitized before being used. An attacker could exploit this to write to sensitive locations with the privileges of the spice-vdagent process, typically the logged-in user. This issue requires the SPICE host to be untrusted or compromised for exploitation.

References

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