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Vulnerabilities

Security fix · CVE-2025-64767

hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API.

Published Nov 21, 2025 · catalog updated Nov 21, 2025 · hpke-js is a Hybrid

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64767. EPSS is 0.23%. Act only if a listed version of hpke-js is a Hybrid is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (hpke-js is a Hybrid).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Version ranges on file
Affected products
vendor dajiaji hpke-js < 1.7.5

hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API. Prior to version 1.7.5, the public SenderContext Seal() API has a race condition which allows for the same AEAD nonce to be re-used for multiple Seal() calls. This can lead to complete loss of Confidentiality and Integrity of the produced messages. This issue has been patched in version 1.7.5.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor dajiaji hpke-js < 1.7.5< 1.7.5

How to fix CVE-2025-64767

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64767. EPSS is 0.23%. Act only if a listed version of hpke-js is a Hybrid is installed.

Which versions are affected?

Compare what you have installed with dajiaji hpke-js < 1.7.5 < 1.7.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 21, 2025 · EUVD

    Detected

    hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API. Prior to version 1.7.5, the public SenderContext Seal() API has a race condition which allows for the same AEAD nonce to be re-used for multiple Seal() calls. This can lead to complete loss of Confidentiality and Integrity of the produced messages. This issue has been patched in version 1.7.5.

  2. Nov 21, 2025 · EUVD

    Updated

    hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API. Prior to version 1.7.5, the public SenderContext Seal() API has a race condition which allows for the same AEAD nonce to be re-used for multiple Seal() calls. This can lead to complete loss of Confidentiality and Integrity of the produced messages. This issue has been patched in version 1.7.5.

Sources

  • CVE.orgVulnerability recordCVE-2025-64767

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64767

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-198319

    hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API. Prior to version 1.7.5, the public SenderContext Seal() API has a race condition which allows for the same AEAD nonce to be re-used for multiple Seal() calls. This can lead to complete l

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 7, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026