CVE-2026-4600
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I. Basic Information for CVE-2026-4600
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic (and the related DSA/X509 verification flow in src/dsa-2.0.js). An attacker can forge DSA signatures or X.509 certificates that X509.verifySignature() accepts by supplying malicious domain parameters such as g=1, y=1, and a fixed r=1, which make the verification equation true for any hash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
jsrsasign 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jsrsasign是Kenji Urushima个人开发者的一个签名验证库。 jsrsasign 11.1.1之前版本存在安全漏洞，该漏洞源于src/dsa-2.0.js中DSA域参数验证不当，可能导致伪造DSA签名或X.509证书。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | jsrsasign | 0 ~ 11.1.1 | - |
II. Public POCs for CVE-2026-4600
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-03-23 · 20 CVEs total
| CVE-2026-4599 | 9.1 CRITICAL | jsrsasign 安全漏洞 |
| CVE-2026-4601 | 8.7 HIGH | jsrsasign 安全漏洞 |
| CVE-2026-4598 | 7.5 HIGH | jsrsasign 安全漏洞 |
| CVE-2026-4602 | 7.5 HIGH | jsrsasign 安全漏洞 |
| CVE-2026-4603 | 5.9 MEDIUM | jsrsasign 安全漏洞 |
| CVE-2026-4587 | 3.7 LOW | HybridAuth SSL Curl.php certificate validation |
| CVE-2026-30006 | XnSoft Nconvert 安全漏洞 | |
| CVE-2025-52204 | Znuny 安全漏洞 | |
| CVE-2024-46879 | Tiki 安全漏洞 | |
| CVE-2024-46878 | Tiki 安全漏洞 | |
| CVE-2024-51224 | PHPGurukul Vehicle Record Management System 安全漏洞 | |
| CVE-2026-30007 | XnSoft Nconvert 安全漏洞 | |
| CVE-2026-24516 | Droplet Agent 安全漏洞 | |
| CVE-2026-26829 | OwnTone 安全漏洞 | |
| CVE-2026-26828 | OwnTone 安全漏洞 | |
| CVE-2024-51222 | PHPGurukul Vehicle Record Management System 安全漏洞 | |
| CVE-2024-51226 | PHPGurukul Vehicle Record Management System 安全漏洞 | |
| CVE-2024-51223 | PHPGurukul Vehicle Record Management System 安全漏洞 | |
| CVE-2024-51225 | PHPGurukul Vehicle Record Management System 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
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PgBouncer buffer overflow in SCRAM - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-8127
eladmin Users API Endpoint UserController.java checkLevel ac
Same weakness: CWE-347
- CVE-2026-42193
Plunk: SNS webhook forgery - CVE-2026-44497
ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type - CVE-2026-41669
Admidio: SAML Signature Validation Result Ignored — Forged A - CVE-2026-7689
Dolibarr ERP CRM Online Signature security.lib.php dol_verif - CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic
V. Comments for CVE-2026-4600
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