CVE-2021-43786
API token verification can be bypassed
HIGH
7.5
CVSS Score
Published: November 29, 2021 at 07:30 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorNodeBB
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqwCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287
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