@clerk/nextjs auth() and getAuth() methods vulnerable to insecure direct object reference (IDOR)

published 2024-01-12 2 y ago modified 2026-09-10 1 mo ago also GHSA-q6w5-jg5q-47vg , EUVD-2024-0398

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

Clerk helps developers build user management. Unauthorized access or privilege escalation due to a logic flaw in auth() in the App Router or getAuth() in the Pages Router. This vulnerability was patched in version 4.29.3.

Patch / fix

fixed in 2 links 2

npm @clerk/nextjs 4.29.3
clerk javascript 4.29.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-14)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	@clerk/nextjs	>=4.7.0, <4.29.3	4.29.3

Affected products

clerk javascript

Classification

Weakness

CWE-284 Improper Access Control
CWE-287 Improper Authentication
CWE-639 Authorization Bypass Through User-Controlled Key

References

github.com /clerk/javascript/security/advisories/GHSA-q6w5-jg5q-47vg
web, patch, vendor-advisory
github.com /clerk/javascript/releases/tag/%40clerk%2Fnextjs%404.29.3
web, patch, release-notes
clerk.com /changelog/2024-01-12
web, release-notes, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2024-22206
advisory
github.com /clerk/javascript
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary