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CVE-2026-42784VulnerabilityPublished

Red Hat Security Advisory: rust-rpm-sequoia security update

Affects Red Hat rust-rpm-sequoiaSource GCVE Database

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Authoritative record:CVE-2026-42784· High 7.4

Not known to be exploited · CVSS 7.4 High.

Data as of 11 Nov 2026, 09:53 UTC

CVSS 3.1 base score
7.4High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.17.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 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 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Ansible Automation Platform 2.6 for RHEL 9python3.12-pysequoiaAffected–Fixed in–
Red Hat Enterprise Linux 10rust-rpm-sequoiaAffected–Fixed in–
Red Hat Enterprise Linux 10rust-sequoia-sqvAffected–Fixed in–
Red Hat Enterprise Linux 10rust-sequoia-sqAffected–Fixed in–
Red Hat Enterprise Linux 10.0 Extended Update Supportrust-rpm-sequoiaAffected–Fixed in–
Red Hat Enterprise Linux 9rust-rpm-sequoiaAffected–Fixed in–

AI-suggested

Red Hat has released updated rust-rpm-sequoia packages that fix this vulnerability. Users of Red Hat Enterprise Linux 10.0 Extended Update Support and related variants should apply the provided security update as detailed in Red Hat advisory RHSA-2026:98248 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.

Description

A cryptographic integrity vulnerability (CVE-2026-42784) exists in the sequoia-openpgp implementation used by rust-rpm-sequoia, related to key flag confusion. This issue affects Red Hat Enterprise Linux 10.0 Extended Update Support and related variants. Red Hat has issued an important security advisory and released updated packages to address this flaw.

References

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