Red Hat Security Advisory: python3.12-lxml security update
Affects Red Hat python3.12-lxmlSource GCVE Database
Not known to be exploited · CVSS 8.2 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
AI-suggested
Red Hat has released an official security update for python3.12-lxml (version 4.9.3-2.el9_6.1) that addresses this vulnerability. Users of Red Hat Enterprise Linux 9.6 Extended Update Support should apply this update promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Description
A security vulnerability (CVE-2026-49825) has been identified in the python3.12-lxml package used in Red Hat Enterprise Linux 9.6 Extended Update Support. The issue is a URL bypass vulnerability in the lxml HTML cleaner component caused by a missing xlink:href attribute. This vulnerability has been rated as having an Important security impact by Red Hat. A security update addressing this flaw is available for affected Red Hat Enterprise Linux 9.6 variants.