Bug 2529198 (CVE-2026-13608)
| Summary: | CVE-2026-13608 curl: curl: Authentication bypass in OpenLDAP SASL negotiation via Man-in-the-Middle (MITM) attack | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | akhatavk, anthomas, aos-team-art-private, asdas, bbrownin, crizzo, dpaolell, ehelms, ggainey, gtanzill, jbuscemi, jdelft, jpasqual, jupierce, juwatts, kshier, lgarciaa, mbiarnes, mdellweg, mhulan, nmoumoul, osousa, pcreech, ppalepu, ppostler, prdhamdh, rchan, rekumar, rhel-process-autobot, sdawley, sghai, sidsharm, smallamp, stcannon, suppawar, teagle, tmalecek, vlaad, vvoronko, watson-tool-maintainers, yguenane |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in libcurl's SASL (Simple Authentication and Security Layer) negotiation for LDAP (Lightweight Directory Access Protocol) authentication when using the OpenLDAP backend. An incomplete handshake sequence can be misinterpreted as a successful cryptographic verification. A remote attacker, by performing a Man-in-the-Middle (MITM) attack, could inject a premature response to bypass complete peer validation, leading to an authentication bypass.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2537366, 2537365 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-09-06 17:51:18 UTC
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