Issues

• Why can't my website generate an SSL report?It prompts the error "Internal Server Error".

  ssllabs/ssllabs-scan#1024 · Filter by author yinghan-123 opened on Aug 30, 2026

• No certificates found

  ssllabs/ssllabs-scan#1023 · Filter by author liuxyon opened on Aug 11, 2026

• "Assessment failed: Unexpected failure"

  ssllabs/ssllabs-scan#1022 · Filter by author sslmonkey opened on Jul 29, 2026

• False certificate chain error

  ssllabs/ssllabs-scan#1020 · Filter by author dreic opened on Jul 7, 2026

• Unexpected failure with ECDSA (P-384) certificate — RSA works fine on the same infrastructure

  ssllabs/ssllabs-scan#1019 · Filter by author LF3551 opened on Jun 22, 2026

• Bugtracker still maintained?

  ssllabs/ssllabs-scan#1018 · Filter by author TCHessen opened on Jun 10, 2026
  6

• recieve error "Assessment failed: Unknown Group: 99" when testing a site where PQC is anabled

  ssllabs/ssllabs-scan#1017 · Filter by author ppakozdi-fednot opened on Jun 10, 2026

• website links

  ssllabs/ssllabs-scan#1016 · Filter by author tlhackque opened on May 11, 2026
  2

• Proposal to remove or downgrade the SNI Support Alert

  ssllabs/ssllabs-scan#1015 · Filter by author ozgurkazancci opened on May 9, 2026
  1

• Assessment failed: Internal Server Error

  ssllabs/ssllabs-scan#1014 · Filter by author rattameister opened on Apr 13, 2026

• iOS 16 does not trust "Sectigo Public Server Authentication Root R46 Self-signed"

  ssllabs/ssllabs-scan#1013 · Filter by author runephilosof-abtion opened on Mar 13, 2026

• Have not been able to test server since February 6, 2026

  ssllabs/ssllabs-scan#1012 · Filter by author CaitlinFAOD opened on Feb 9, 2026
  1

• HTTP 529 errors since Feb 1

  ssllabs/ssllabs-scan#1011 · Filter by author nov1c3 opened on Feb 3, 2026
  21

• job365.cc

  ssllabs/ssllabs-scan#1010 · Filter by author indsachin13-hub opened on Jan 2, 2026

• Server that's accepting ML-KEM768 fails test

  ssllabs/ssllabs-scan#1009 · Filter by author reneposthumus opened on Dec 11, 2025
  11

• SSLPulse fails to detect ECDHE only Kex (instead shows 0 bit Kex)

  ssllabs/ssllabs-scan#1007 · Filter by author berndjkjp-web opened on Nov 8, 2025
  1

• CRL ERROR: IOException occurred

  ssllabs/ssllabs-scan#1006 · Filter by author codergaz opened on Nov 5, 2025
  2

• Server Test TLS1.3 Bug resulting in A- due to wrong key_share DH Groups in Client Hello

  ssllabs/ssllabs-scan#1005 · Filter by author reneposthumus opened on Oct 29, 2025
  2

• Winds crib vpn

  ssllabs/ssllabs-scan#1004 · Filter by author cina5409 opened on Oct 22, 2025

• Remove IE11 from browser list for handshake simulation

  ssllabs/ssllabs-scan#1003 · Filter by author kreintjes opened on Oct 7, 2025
  3

• TLS 1.2 tests require PKCS#1 signature algorithms

  ssllabs/ssllabs-scan#1002 · Filter by author retoischi opened on Oct 6, 2025
  1

• IPv6 testing no longer working

  ssllabs/ssllabs-scan#1001 · Filter by author jordipalet opened on Sep 28, 2025
  8

• Same certificate shown two times with different results

  ssllabs/ssllabs-scan#1000 · Filter by author Phhere opened on Sep 12, 2025
  1

• "AAA Certificate Services" doesn't get flagged as untrusted

  ssllabs/ssllabs-scan#999 · Filter by author acuteaura opened on Jul 19, 2025

• Recognizing Secure Client-Initiated Renegotiation as Harmful: Addressing DoS Vulnerabilities in TLS Configurations

  ssllabs/ssllabs-scan#998 · Filter by author vT15 opened on Jul 18, 2025