CVE-2022-46164

criticalpriority · attend · 66EPSS 0.474 · 99 %ileexploit · PoCEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
47.4% (99th) EPSS
CVSS 9.8 · critical
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-23

NodeBB is an open source Node.js based forum software. Due to a plain object with a prototype being used in socket.io message handling a specially crafted payload can be used to impersonate other users and takeover accounts. This vulnerability has been patched in version 2.6.1. Users are advised to upgrade. Users unable to upgrade may cherry-pick commit `48d143921753914da45926cca6370a92ed0c46b8` into their codebase to patch the exploit.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · ENISA EU
v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · security-advisories@github.comexploitability 3.9 · impact 5.5
v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · OSV
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-665USCWE-665US
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (3)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-rf3g-v8p5-p675NodeBB vulnerable to account takeover via prototype vulnerability2022-12-05ghsa · osvUS

    ### Impact Due to a plain object with a prototype being used in socket.io message handling a specially crafted payload can be used to impersonate other users and takeover accounts. ### Patches Patched in 2.6.1 ### Workarounds Site maintainers can cherry-pick https://github.com/NodeBB/NodeBB/commit/48d143921753914da45926cca6370a92ed0c46b8 into their codebase to patch the exploit. ### For more information If you have any questions or comments about this advisory: Discuss it on [our community forum](https://github.com/NodeBB/NodeBB/security/advisories/community.nodebb.org/) Email us at [support@nodebb.org](mailto:support@nodebb.org)

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdosvNVDCVE.orgMITRE
published 2022-12-05modified 2026-06-17
09

references (9)

External citations — patches, advisories, analysis.

scry

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