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CVE-2026-15037VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Affects Red HatSource GCVE Database

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Authoritative record:CVE-2026-15037· Low 2.9

Public exploit available · CVSS 2.9 Low : upgrade Red Hat qt to 6.12.0 as a priority.

Data as of 31 Oct 2026, 09:08 UTC

CVSS 4.0 base score
2.9Low
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 6.12.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Qt to 6.12.0.

Affected software

ProductAffectedFixed in
QtQtAffected
  • >=4.0.0 <6.12.0
Fixed in
  • 6.12.0
Mavenorg.qtproject/qtpkg:maven/org.qtproject/qtOther threatsAffected
  • =4.0.0
  • <=6.11
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released updated qt6-qtbase RPM packages (version 6.11.2-3.1.hum1) that fix this vulnerability. Users should apply these updates to their Red Hat Hardened Images to remediate the issue. No other mitigations or workarounds are specified.

Description

A vulnerability in the Qt XML component (QDom) allows improper output neutralization during serialization of comments, CDATA, and processing instructions. This flaw can enable an attacker to inject arbitrary XML markup, potentially compromising data integrity. The issue is addressed in updated Red Hat Hardened Images RPM packages for qt6-qtbase.

References

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