CVE-2026-75856 PUBLISHED

CodeWhale before 0.8.64 SSRF Bypass via DNS Pinning TOCTOU

Assigner: VulnCheck
Reserved: 18.08.2026 Published: 18.08.2026 Updated: 18.08.2026

CodeWhale before 0.8.64 contains a server-side request forgery bypass vulnerability in DNS pinning logic that fails to prevent time-of-check-time-of-use attacks. Attackers can manipulate DNS responses to fail initial resolution checks and succeed on secondary requests, allowing requests to internal IP addresses and bypassing SSRF mitigations.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS Score: 9.2

Product Status

Vendor Hmbown
Product CodeWhale
Versions Default: unaffected
  • affected from 0.8.5 to 0.8.41 (excl.)
  • Version 0.8.41 is unaffected
Vendor Hmbown
Product CodeWhale
Versions Default: unaffected
  • affected from 0.8.5 to 0.8.41 (excl.)
  • Version 0.8.41 is unaffected
Vendor Hmbown
Product CodeWhale
Versions Default: unaffected
  • affected from 0.8.41 to 0.8.64 (excl.)
  • Version 0.8.64 is unaffected
Vendor Hmbown
Product CodeWhale
Versions Default: unaffected
  • affected from 0.8.41 to 0.8.64 (excl.)
  • Version 0.8.64 is unaffected

Credits

  • JafarAkhondali reporter

References

Problem Types

  • Server-Side Request Forgery (SSRF) CWE