GHSA-w3gw-f9wr-g6qx
This vulnerability concerns the continued acceptance of SHA-1 and MD5 hashing algorithms in certificate processing, which raises compliance issues with certificate policy and RFC 8446. These older algorithms are considered weak and deprecated in modern cryptographic standards. The issue is categorized under CWE-327, which relates to the use of broken or risky cryptographic algorithms. No specific affected software versions or patches are provided. The vulnerability has a low severity rating and no known exploits in the wild.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-6412 highlights concerns about certificate processing systems that still accept SHA-1 and MD5 hash algorithms. These algorithms are deprecated due to their cryptographic weaknesses and non-compliance with RFC 8446, which governs TLS 1.3. The acceptance of these algorithms may undermine the security guarantees of certificate validation processes. There is no information on affected versions or available patches, and no known exploitation has been reported.
Potential Impact
The impact is primarily related to weakened cryptographic assurance in certificate validation, potentially allowing attackers to exploit weaknesses in SHA-1 or MD5 to compromise certificate integrity or authenticity. However, the severity is rated low, indicating limited practical impact or difficulty in exploitation under current conditions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, organizations should monitor vendor communications for updates. Consider disabling acceptance of SHA-1 and MD5 in certificate processing where possible to align with RFC 8446 compliance.
GHSA-w3gw-f9wr-g6qx
Description
This vulnerability concerns the continued acceptance of SHA-1 and MD5 hashing algorithms in certificate processing, which raises compliance issues with certificate policy and RFC 8446. These older algorithms are considered weak and deprecated in modern cryptographic standards. The issue is categorized under CWE-327, which relates to the use of broken or risky cryptographic algorithms. No specific affected software versions or patches are provided. The vulnerability has a low severity rating and no known exploits in the wild.
CVSS v4.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-6412 highlights concerns about certificate processing systems that still accept SHA-1 and MD5 hash algorithms. These algorithms are deprecated due to their cryptographic weaknesses and non-compliance with RFC 8446, which governs TLS 1.3. The acceptance of these algorithms may undermine the security guarantees of certificate validation processes. There is no information on affected versions or available patches, and no known exploitation has been reported.
Potential Impact
The impact is primarily related to weakened cryptographic assurance in certificate validation, potentially allowing attackers to exploit weaknesses in SHA-1 or MD5 to compromise certificate integrity or authenticity. However, the severity is rated low, indicating limited practical impact or difficulty in exploitation under current conditions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, organizations should monitor vendor communications for updates. Consider disabling acceptance of SHA-1 and MD5 in certificate processing where possible to align with RFC 8446 compliance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w3gw-f9wr-g6qx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-6412"]
- Ecosystems
- []
- Database Specific Severity
- LOW
- Cvss Version
- 4.0
Threat ID: 6a3ef7e727e9c79719032cf8
Added to database: 06/26/2026, 22:06:31 UTC
Last enriched: 06/26/2026, 22:46:01 UTC
Last updated: 06/27/2026, 01:42:54 UTC
Views: 5
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