High [CVE-2026-9079] Information disclosure due to failure to clear proxy authentication credentials
This high-severity Red Hat Linux advisory covers CVE-2026-9079 affecting Red Hat Enterprise Linux 10, Red Hat Hardened Images, Confidential Compute Attestation.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them. A flaw was found in curl.
This could lead to the unintended reuse of sensitive proxy authentication credentials for subsequent network transfers, potentially resulting in unauthorized access or information disclosure. Important: A flaw in libcurl's proxy authentication credential management can lead to information disclosure.
There are no integrity or availability risks posed by this flaw. Red Hat severity: Moderate — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Weakness: CWE-212. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Hardened Images; Confidential Compute Attestation; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift Container Platform 4.
Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Dev Spaces; Red Hat Trusted Profile Analyzer as not affected. Red Hat fixing advisory: RHSA-2026:69125, RHSA-2026:29017, RHSA-2026:34975.
Affected products named by the advisory: Red Hat package: curl.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
- curl-0:8.12.1-4.el10_2.6
- curl-main-8.21.0-0.1.hum1
- rust-main-1.96.1-1.hum1
- RHSA-2026:69125
- RHSA-2026:29017
- RHSA-2026:34975
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.