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CVE-2026-23893VulnerabilityPublished Updated

Red Hat Security Advisory: opencryptoki security update

Affects Red Hat opencryptokiSource GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 22:51 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Mar 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 5 Nov 2026.

What to do

AI-suggested

Red Hat has released updated opencryptoki packages that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2026:5603 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.

Description

A moderate severity vulnerability (CVE-2026-23893) in the opencryptoki package used by Red Hat Enterprise Linux 9 allows privilege escalation or data exposure via symlink following. The opencryptoki package implements the PKCS#11 API for IBM cryptographic hardware and software tokens. This issue could allow an attacker to gain elevated privileges or access sensitive data by exploiting symbolic link handling in the software. Red Hat has released security updates to address this vulnerability.

References

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