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TI-2026-07597 Aliases CVE-2026-8647

Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when…

Priority LOW 21CWE-338Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available. The random_bytes function fell back to using the built-in rand() function when none of the Perl modules Crypt::PRNG, Crypt::OpenSSL::Random, Net::SSLeay, Crypt::Random, or Bytes::Random::Secure were available.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00222 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MIKCrypt::ScryptKDFup to 0.010—No fix listedCNA
  • Crypt::ScryptKDF VendorMIK Affected up to 0.010 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8647

References

Other 2

  • TI-2025-27306 CryptX for Perl before version 0.065 contains a dependency that may be susceptible to… CVSS 3.1CRITICAL 9.8
  • TI-2025-27308 Perl CryptX before version 0.087 contains a dependency that may be susceptible to an… CVSS 3.1CRITICAL 9.8
  • TI-2026-30120 Stack-based buffer overflow in MIK CryptX CVSS 3.1HIGH 7.5
  • TI-2026-11599 CryptX versions before 0.088_001 for Perl compare AEAD authentication tags in… CVSS 3.1LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences