CVE-2026-7009

Summary

When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it fails to detect OCSP problems and instead wrongly consider the response as fine.

Affected Software

VendorProductVersion RangeStatus
curlcurl8.19.0 <= 8.19.0affected
curlcurl8.18.0 <= 8.18.0affected
curlcurl8.17.0 <= 8.17.0affected

Weaknesses

  • CWE-295 Improper Certificate Validation

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

Additional References

References