CVE-2026-77151CWE-327

CVE-2026-77151

Low · published August 21, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
29.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.3 · CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
EPSS
0.00367 · 29.4th percentile
Weakness
CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2026-08-21T00:17Z
References (9)
EPSS history
Timeline
  • 20 AUG 19:45Z
    lin-snow Ech0 crypto.go MD5Encrypt risky encryption
    cvelistv5