CVE-2026-4601
critical
CVSS v3
9.1
CVSS v4 NEW
8.8
VIR risk
9.1
Description
jsrsasign: Missing cryptographic validation during DSA signing enables private key extraction
Predictions
Exploit likelihood
94%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | jsrsasign | <11.1.1 | 11.1.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| jsrsasign_project | jsrsasign | {"endExcluding":"11.1.1"} | 11.1.1 |
References
- https://gist.github.com/Kr0emer/93789fe6efe5519db9692d4ad1dad586
- https://github.com/kjur/jsrsasign/commit/0710e392ec35de697ce11e4219c988ba2b5fe0eb
- https://github.com/kjur/jsrsasign/pull/645
- https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370941
- https://nvd.nist.gov/vuln/detail/CVE-2026-4601
- https://github.com/kjur/jsrsasign
CWEs
CWE-325
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.