CVE-2026-77151lin-snow Ech0 crypto.go MD5Encrypt risky encryption
Updated under an hour ago ()
Does this affect you?
It affects lin-snow Ech0. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
- Weakness (CWE)
- CWE-327, CWE-310
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
lin-snow Ech0 lin-snow:ech0 | 5.4.0; 5.4.1; 5.4.2 not affected | CNA record |
References
- https://vuldb.com/vuln/393736vdb-entry, technical-description
- https://vuldb.com/vuln/393736/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-77151third-party-advisory
- https://vuldb.com/submit/881015third-party-advisory
- https://github.com/lin-snow/Ech0/issues/314issue-tracking
- https://github.com/lin-snow/Ech0/pull/315issue-tracking, patch
- https://github.com/lin-snow/Ech0/commit/9ce19a3b0d0765086a655f45d3a706ec1810404fpatch
- https://github.com/lin-snow/Ech0/releases/tag/ech0-5.4.2patch
- https://github.com/lin-snow/Ech0/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.