RHSA-2026:84577: python3.14-urllib3 Red Hat
CVSS: 7.5v3.1HighPublished
Published 19-10-2026Last modified 20-10-2026
Vulnerability summary
RHSA-2026:84577 is a high (CVSS 7.5) vulnerability in python3.14-urllib3 Red Hat.
CVSS score
7.5/10
010
High · v3.1 (OSV · Red hat), selected by version preferenceEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 2 · Downstream 0Timeline
- 19-10-2026PublishedVulnerability first disclosed.
- 20-10-2026Last modifiedVulnerability information updated.
Description
Red Hat Security Advisory: python3.14-urllib3 security update
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Redhat1 product
- python3.14-urllib3< 0:2.6.3-2.el9_8.6
1 vendor · 1 product
