CVE-2026-77151

lin-snow Ech0 crypto.go MD5Encrypt risky encryption

LOW
3.7
CVSS Score
Published: August 20, 2026 at 07:45 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorEch0

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Severity
LOW3.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions5.4.05.4.1
Vendor states this is fixed in 5.4.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/393736
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/393736/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-77151
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/881015
Issue Tracking
Source: cverecord
https://github.com/lin-snow/Ech0/issues/314
Issue TrackingPatch
Source: cverecord
https://github.com/lin-snow/Ech0/pull/315

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-327CWE-310

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