CVE-2026-46490: samlify is a Node.js library for SAML single sign-on

Q: How do I fix CVE-2026-46490?

samlify: upgrade to 2.13.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-46490 being exploited?

CVE-2026-46490 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-46490 affect?

CVE-2026-46490 affects samlify. Severity is high (CVSS 8.8). samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., ) are not escaped. A normal user c

This month

HIGH 8.8UPGRADE

CVE-2026-46490 is a high-severity flaw (CVSS 8.8) affecting samlify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., <saml:AttributeValue>) are not escaped. A normal user can inject XML markup into an attribute value (e.g., email, name) and add new <saml:Attribute> elements inside the signed assertion. The IdP then signs the tampered assertion and the SP accepts the injected attr

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-91
Published	2026-06-08
Last modified	2026-07-23

Publisher (CNA): GitHub, Inc. · Vendor: samlify project

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-08 19:16 UTCPublished CVE record published
2026-07-23 08:10 UTCUpdated Record last modified

samlify project samlify UPGRADE

Affected: < 2.13.0

Fixed in: 2.13.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy samlify || rpm -q samlify || samlify --version

2. UPGRADE to 2.13.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade samlify

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade samlify

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-46490?

samlify: upgrade to 2.13.0. Exact commands for each OS are on this page.

Is CVE-2026-46490 being exploited?

CVE-2026-46490 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-46490 affect?

CVE-2026-46490 affects samlify. Severity is high (CVSS 8.8). samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., <saml:AttributeValue>) are not escaped. A normal user c

How urgent is CVE-2026-46490?

Priority 46/100. High severity; Public exploit reference

Software pages

Node.js vulnerabilities

References

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