CVE-2026-40542
CVE-2026-40542: 2 tracked advisory records across Apache, 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.
Vendor advisory comparison
Apache
1 advisory- Advisory severityHigh7.3
High [CVE-2026-40542] Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper mutual authentication verification
CVE-2026-40542Source published Source updated
Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue.
- Affected products in this advisory
- Apache HttpClient
- Source-reported affected versions
- Apache HttpClient 5.6 before 5.6.1
- Source-reported fixed versions
- 5.6.1
- Mitigation guidance
- Users are recommended to upgrade to version 5.6.1, which fixes this issue.
Red Hat
1 advisory- Advisory severityHigh7.3
High [CVE-2026-40542] Authentication bypass due to missing mutual authentication verification
CVE-2026-40542Source published
Authentication bypass due to missing mutual authentication verification. Red Hat rates this important (CVSS 7.3). Weakness: CWE-325. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
- Affected products in this advisory
- OpenShift Developer Tools and Services 4.12
- OpenShift Developer Tools and Services 4.15
- OpenShift Developer Tools and Services 4.16
- OpenShift Developer Tools and Services 4.17
7 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Android app · Google Play
Turn CVE research into alerts on your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.