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 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.
CVE-2025-29775
This critical-severity CVE scores 9.3 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 58% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.3
- EG Score
- 9.3(medium)
- EPSS
- 94.8%
- KEV
- Not listed
Published
March 14, 2025
Last Modified
April 15, 2026
References (8)
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/commit/28f92218ecbb8dcbd238afa4efbbd50302aa9aed
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/commit/886dc63a8b4bb5ae1db9f41c7854b171eb83aa98
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/commit/8ac6118ee7978b46aa56b82cbcaa5fca58c93a07
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/releases/tag/v2.1.6
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/releases/tag/v3.2.1
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/releases/tag/v6.0.1
- security-advisories@githubhttps://github.com/node-saml/xml-crypto/security/advisories/GHSA-x3m8-899r-f7c3
- af854a3a-2127-422b-91ae-364da2661108https://workos.com/blog/samlstorm
Vendor Advisories for CVE-2025-29775(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2025:7626Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Developer Hub 1.6.0 release.
- RHSA-2025:3595Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Developer Hub 1.4.3 release.
- RHSA-2025:3374Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Developer Hub 1.5.1 release.
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | rhdh/rhdh-hub-rhel9:sha256:b6bf7ded5e146f60141840bb2e42e72125c61af0f3d3c3fbf48b35bc670675fe | 2025-05-14 | redhat |
| redhat | rhdh/rhdh-hub-rhel9:sha256:577bd1595325229ba368ad2ece71faf31aec93c088e76c4bba507bf67e41753a | 2025-04-03 | redhat |
| redhat | rhdh/rhdh-hub-rhel9:sha256:56bfbb2328f42e91d0462e142f3434e5d771737defbc07d8a21dbdf50e468665 | 2025-03-27 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xml-crypto | — | 2.1.6 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 113 total refreshes for this CVE.
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
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- 2026-07-14 08:40 UTCOSV refresh
- 2026-07-13 22:29 UTCEPSS rescore
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- 2026-06-28 14:07 UTCEPSS rescore
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- 2026-06-26 09:23 UTCOSV refresh
- 2026-06-25 13:49 UTCEPSS rescore
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- 2026-06-08 16:25 UTCEG score recompute▲ 9.30
- 2026-06-08 16:25 UTCVendor advisory
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-06-07 15:24 UTCEPSS rescore
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- 2026-06-04 13:12 UTCEPSS rescore
- 2026-06-04 13:11 UTCEPSS rescore
- 2026-06-03 16:09 UTCOSV refresh
- 2026-06-02 20:12 UTCEPSS rescore
- 2026-06-01 13:51 UTCEPSS rescore
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- 2026-05-31 22:30 UTCEPSS rescore
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- 2026-05-29 13:44 UTCEPSS rescore
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- 2026-05-22 21:16 UTCEPSS rescore
- 2026-05-21 22:42 UTCEPSS rescore
- 2026-05-21 16:39 UTCEG score recompute
- 2026-05-21 16:39 UTCVendor advisory
Frequently asked(5)
What is CVE-2025-29775?
When was CVE-2025-29775 disclosed?
Is CVE-2025-29775 actively exploited?
What is the CVSS score of CVE-2025-29775?
How do I remediate CVE-2025-29775?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-29775
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