Medium severity4.6NVD Advisory· Published Dec 9, 2021· Updated Jun 17, 2026
CVE-2021-41246
CVE-2021-41246
Description
Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including 2.5.1 do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions 2.5.2 contains a patch for this issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
express-openid-connectnpm | >= 2.3.0, < 2.5.2 | 2.5.2 |
Affected products
3cpe:2.3:a:auth0:express_openid_connect:*:*:*:*:*:node.js:*:*+ 1 more
- cpe:2.3:a:auth0:express_openid_connect:*:*:*:*:*:node.js:*:*range: >=2.3.0,<2.5.2
- (no CPE)range: >= 2.3.0, < 2.5.2
Patches
Vulnerability mechanics
References
5- github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab5f2f430fnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-7rg2-qxmf-hhx9ghsaADVISORY
- github.com/auth0/express-openid-connect/releases/tag/v2.5.2nvdRelease NotesThird Party AdvisoryWEB
- github.com/auth0/express-openid-connect/security/advisories/GHSA-7rg2-qxmf-hhx9nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-41246ghsaADVISORY
News mentions
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