CVE-2026-77151
LOWDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 22% of all known CVEs.
References
Related Vulnerabilities
Other CWE-310 (Cryptographic Issues) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2014-3566 | Low | 3.4 | 100% | - | Fix |
| CVE-2015-4000 | Low | 3.7 | 100% | - | Fix |
| CVE-2015-0204 | Medium | 4.3 | 99% | - | Fix |
| CVE-2016-2107 | Medium | 5.9 | 89% | - | Fix |
| CVE-2016-0800 | Medium | 5.9 | 82% | - | Fix |
| CVE-2014-8684 | Critical | 9.8 | 72% | - | - |
Common questions
How do I fix CVE-2026-77151?
No published fix for CVE-2026-77151 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-77151 being actively exploited?
Not that we know of. CVE-2026-77151 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.30% is the estimated probability that it will be exploited in the next 30 days. That is higher than 22% of all scored CVEs.
How severe is CVE-2026-77151?
CVE-2026-77151 has a CVSS v3 base score of 3.7, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-24.