Skip to content
VulniPulse
Sign in
Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-8286

CVE-2026-8286: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh8.1

    High [CVE-2026-8286] Insecure connection establishment due to TLS configuration mismatch

    CVE-2026-8286Source published Source updated

    A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not. A flaw was found in curl. This reuse can occur even if the Transport Layer Security (TLS) configuration of the new transfer does not match the existing connection, potentially leading to an insecure connection being established. This is an Important flaw as `curl` may establish an insecure connection when attempting to upgrade a transfer with STARTTLS, potentially reusing an existing connection with mismatched TLS configurations. This could lead to unexpected data exposure or compromise, particularly in environments where `curl` is used for sensitive data transfers and relies on STARTTLS for…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 8
    • Red Hat Enterprise Linux 9
    • Red Hat OpenShift Container Platform 4.22

    8 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • curl-0:8.12.1-4.el10_2.3
    • curl-0:7.61.1-34.el8_10.13
    • curl-0:7.76.1-40.el9_8.5
    • rhcos-4.22.9.8.202608251819-0

    32 more entries in the full advisory.

    Mitigation guidance
    • 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.
    Full advisory and evidenceOpen source bulletin

Android app · Google Play

Monitor future Red Hat 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.

Matching phone alertsOptional email delivery
Get CVE alertsSee app features