CVE-2026-97689: Important · python-urllib3 security update
Affects python3-urllib3Source GCVE Database
Not known to be exploited : upgrade to 1.26.5-8.el9_8.2 soon.
Data as of 27 Oct 2026, 02:29 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in 1.26.5-8.el9_8.2
Exploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 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
Upgrade the AlmaLinux python3-urllib3 package to 1.26.5-8.el9_8.2.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 9python3-urllib3 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the official security update to python3-urllib3 version 1.26.5-8.el9_8.2 or later as provided by Red Hat. This update fixes the denial of service vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Description
A security update for python3-urllib3 addresses a denial of service vulnerability caused by unbounded memory allocation in the chunk parser (CVE-2026-97689). This flaw could allow an attacker to cause a denial of service condition. The vulnerability affects versions of python3-urllib3 prior to 1.26.5-8.el9_8.2. A fixed version is available and should be applied to mitigate the issue.
References
- access.redhat.com/errata/RHSA-2026:90494 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-97687 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-97689 (opens in a new tab)
- bugzilla.redhat.com/2543245 (opens in a new tab)
- bugzilla.redhat.com/2543255 (opens in a new tab)
- errata.almalinux.org/9/ALSA-2026-90494.html (opens in a new tab)