CVE-2026-77151
Description
A security flaw has been discovered in lin-snow Ech0 up to 5.4.1. Affected by this issue is the function MD5Encrypt of the file internal/util/crypto/crypto.go. Performing a manipulation results in risky cryptographic algorithm. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 5.4.2 can resolve this issue. The patch is named 9ce19a3b0d0765086a655f45d3a706ec1810404f. It is recommended to upgrade the affected component.
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.
References
- https://github.com/lin-snow/Ech0/
- https://github.com/lin-snow/Ech0/commit/9ce19a3b0d0765086a655f45d3a706ec1810404f
- https://github.com/lin-snow/Ech0/issues/314
- https://github.com/lin-snow/Ech0/pull/315
- https://github.com/lin-snow/Ech0/releases/tag/ech0-5.4.2
- https://vuldb.com/cve/CVE-2026-77151
- https://vuldb.com/submit/881015
- https://vuldb.com/vuln/393736
- https://vuldb.com/vuln/393736/cti
CWEs
CWE-310 CWE-327
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.