CVE-2025-64767

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.

CVSS v3.1

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.21% chance of exploitation in the next 30 days, 11th percentile

Published

2025-11-21

Proof-of-concept exploits (1)

• advisories/GHSA-73g8-5h73-26h4

References

• CVE Record
• NVD entry

Related

• CVE-2025-64764
• CVE-2025-6477
• CVE-2025-6476
• CVE-2025-6479
• CVE-2025-64757
• CVE-2025-6480