Vulnerability · Published Mar 14, 2025 · Assigned by GitHub_M
CVE-2025-29774xml-crypto Vulnerable to XML Signature Verification Bypass via Multiple SignedInfo References
Critical 9.3
In plain English
A critical-severity security flaw in xml-crypto from node-saml. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 9.1% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
xml-crypto is an XML digital signature and encryption library for Node.js. An attacker may be able to exploit a vulnerability in versions prior to 6.0.1, 3.2.1, and 2.1.6 to bypass authentication or authorization mechanisms in systems that rely on xml-crypto for verifying signed XML documents. The vulnerability allows an attacker to modify a valid signed XML message in a way that still passes signature verification checks. For example, it could be used to alter critical identity or access control attributes, enabling an attacker with a valid account to escalate privileges or impersonate another user. Users of versions 6.0.0 and prior should upgrade to version 6.0.1 to receive a fix. Those who are still using v2.x or v3.x should upgrade to patched versions 2.1.6 or 3.2.1, respectively.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | xml-crypto | 6.0.1 | GHSA-9p8x-f768-wp2g |
| npm | xml-crypto | 3.2.1 | GHSA-9p8x-f768-wp2g |
| npm | xml-crypto | 2.1.6 | GHSA-9p8x-f768-wp2g |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| node-saml | xml-crypto | >= 4.0.0, < 6.0.1>= 3.0.0, < 3.2.1< 2.1.6 |
Weakness: CWE-347 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/node-saml/xml-crypto/security/advisories/GHSA-9p8x-f768-wp2g x_refsource_CONFIRM
- https://github.com/node-saml/xml-crypto/commit/28f92218ecbb8dcbd238afa4efbbd50302aa9aed x_refsource_MISC
- https://github.com/node-saml/xml-crypto/commit/886dc63a8b4bb5ae1db9f41c7854b171eb83aa98 x_refsource_MISC
- https://github.com/node-saml/xml-crypto/commit/8ac6118ee7978b46aa56b82cbcaa5fca58c93a07 x_refsource_MISC
- https://github.com/node-saml/xml-crypto/releases/tag/v2.1.6 x_refsource_MISC
- https://github.com/node-saml/xml-crypto/releases/tag/v3.2.1 x_refsource_MISC
- https://github.com/node-saml/xml-crypto/releases/tag/v6.0.1 x_refsource_MISC
- https://workos.com/blog/samlstorm