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01 Record

CVE-2026-42349

Clerk: Authorization bypass when combining organization, billing, or reverification checks

HighPUBLISHEDCNA: GitHub_M
CNA base score7.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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02 Description

Clerk: Authorization bypass when combining organization, billing, or reverification checks

03 Exploitation and scoring

Exploitation
Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
SSVC decision
  • ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 15.6% of scored records. A rank, not a probability.
NVD base score
7.6 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-26.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-05-11 16:08Z5 MO AGO
Last updated
2026-05-14 18:19Z5 MO AGO
Reserved
2026-04-26
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.6)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weaknesses
  • CWE-754Improper Check for Unusual or Exceptional ConditionsClass
  • CWE-863Incorrect AuthorizationClass
Data version
5.2
Document digest
668686811d7e7e76d60b295961012f8e2435bd31956246429231472a5b646df9

05 Affected products

VendorProductVersionsPlatforms
clerkjavascript>= 5.22.0, < 5.125.10, >= 6.0.0, < 6.7.5—
@clerkshared>= 3.0.0, <= 3.47.4, >= 4.0.0, <= 4.8.2—
@clerkbackend>= 2.0.0, <= 2.33.2, >= 3.0.0, <= 3.2.13—
@clerknextjs>= 6.0.0, <= 6.39.2, >= 7.0.0, <= 7.2.3—
@clerkclerk-react>= 5.9.0, <= 5.61.5—
@clerkreact>= 6.0.0, <= 6.4.2—
@clerkvue>= 1.0.0, <= 1.17.20, >= 2.0.0, <= 2.0.15—
@clerkastro>= 2.0.0, <= 2.17.10, >= 3.0.0, <= 3.0.17—
@clerknuxt>= 1.0.0, <= 1.13.28, >= 2.0.0, <= 2.2.4—
@clerkclerk-expo>= 2.2.11, <= 2.19.35—
@clerkexpo>= 3.0.0, <= 3.2.1—
@clerkreact-router>= 0.0.1, <= 2.4.12, >= 3.0.0, <= 3.1.3—
@clerktanstack-react-start>= 0.0.1, <= 0.29.10, >= 1.0.0, <= 1.1.3—
@clerkchrome-extension>= 1.3.5, <= 2.9.14, >= 3.0.0, <= 3.1.14—
@clerkfastify>= 1.0.42, <= 2.6.30, >= 3.0.0, <= 3.1.15—
@clerkexpress>= 0.1.0, <= 1.7.78, >= 2.0.0, <= 2.1.5—
@clerkhono>= 0.0.2, <= 0.1.15—

06 References