CVE-2026-13608
Description
A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker executing a Man-in-the-Middle (MITM) attack can inject a premature or shortcut response that bypasses complete peer validation.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 8.22.0~rc2-1 |
| forky | Affected | — |
| bookworm | Affected | — |
Alpine Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| v3.24 | Fixed | 8.22.0-r0 |
| v3.23 | Fixed | 8.22.0-r0 |
References
- https://www.suse.com/security/cve/CVE-2026-13608.html
- https://security-tracker.debian.org/tracker/CVE-2026-13608
- https://security.alpinelinux.org/vuln/CVE-2026-13608
- https://pkgs.alpinelinux.org/packages?name=curl
- https://curl.se/docs/CVE-2026-13608.html
- https://curl.se/docs/CVE-2026-13608.json
- https://hackerone.com/reports/3822248
CWEs
CWE-923
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.