CVE-2026-77151 lin-snow Ech0 crypto.go MD5Encrypt risky encryption
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-77151?
CVE-2026-77151 is a medium-severity vulnerability in lin-snow Ech0, published on 20 Aug 2026.
Official 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.
Which versions are affected by CVE-2026-77151?
How do I fix CVE-2026-77151?
No fix has been published for CVE-2026-77151 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77151 being exploited?
There is no known exploitation of CVE-2026-77151 in the wild and no public exploit code.
Sources
Also known as GHSA-m3r5-hc33-p4wf.