CVE-2022-39299: Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library

This month

HIGH 7.4REMOTEUPGRADE

CVE-2022-39299 is a high-severity flaw (CVSS 7.4) affecting passport-saml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	4.5% (top 9%)
CISA exploited list	No
Weakness	CWE-347
Published	2022-10-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: passport-saml project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-12 21:15 UTCPublished CVE record published
2026-06-17 04:58 UTCUpdated Record last modified

passport-saml project passport-saml UPGRADE

Affected: < 3.2.2 · 4.0.0 beta1 · 4.0.0 beta2 · 4.0.0 beta3 · 4.0.0 beta4

Fixed in: 3.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls passport-saml

2. UPGRADE to 3.2.2

npm install passport-saml@">=3.2.2"

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-2022-39299?

passport-saml: upgrade to 3.2.2. Exact commands for each OS are on this page.

Is CVE-2022-39299 being exploited?

CVE-2022-39299 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-2022-39299 affect?

CVE-2022-39299 affects passport-saml. Severity is high (CVSS 7.4). Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attack

How urgent is CVE-2022-39299?

Priority 54/100. High severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2021-39171 MEDIUM 5.3 UPGRADE Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library

References

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