CVE-2022-46164

CRITICALNVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under NVD CVSS v3. EPSS exploit probability: 47% (98th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 47%CVSS: 9.4Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
9.4
EG Score
9.4CRITICALmedium confidence
EG Risk
76
EG Risk 76/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity94% × 45%
Exploitation47% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
47%
EPSS %ILE
98th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 5, 2022

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Oct 2, 2026
Patch available. Sources: github_commit, github.
githubMentions a patch (unverified)

Account takeover via prototype vulnerability · Advisory · NodeBB/NodeBB · GitHub

Affected: 2.6.1

https://github.com/NodeBB/NodeBB/security/advisories/GHSA-rf3g-v8p5-p675
github_commit Patch Available

commit 48d143921753 (NodeBB/NodeBB)

Patch available: NodeBB/NodeBB v4.9.2 (contains commit 48d143921753)

https://github.com/NodeBB/NodeBB/commit/48d143921753914da45926cca6370a92ed0c46b8

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFix by version rangeDependents
nodebb—
  • every version up to 2.6.1: fixed in 2.6.1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 143 total refreshes for this CVE.

  1. 2026-10-09 20:04 UTCEPSS rescore
  2. 2026-10-08 17:05 UTCEPSS rescore
  3. 2026-10-07 23:45 UTCEPSS rescore
  4. 2026-10-06 15:14 UTCEPSS rescore
  5. 2026-10-03 14:23 UTCEPSS rescore
  6. 2026-10-02 16:23 UTCEPSS rescore
  7. 2026-10-01 19:47 UTCEPSS rescore
  8. 2026-09-30 16:10 UTCEG score recompute
  9. 2026-09-30 15:01 UTCEPSS rescore
  10. 2026-09-27 13:42 UTCEPSS rescore
  11. 2026-09-26 15:55 UTCEPSS rescore
  12. 2026-09-24 03:43 UTCOSV refresh
  13. 2026-09-23 13:45 UTCEPSS rescore
  14. 2026-09-20 20:13 UTCEPSS rescore
  15. 2026-09-19 15:38 UTCEPSS rescore
  16. 2026-09-16 14:05 UTCEPSS rescore
  17. 2026-09-16 05:10 UTCEPSS rescore
  18. 2026-09-15 03:07 UTCEPSS rescore
  19. 2026-09-13 16:44 UTCEPSS rescore
  20. 2026-09-12 14:57 UTCEPSS rescore
  21. 2026-09-11 09:33 UTCEPSS rescore
  22. 2026-09-08 21:57 UTCEPSS rescore
  23. 2026-09-06 13:45 UTCEPSS rescore
  24. 2026-09-05 15:25 UTCEPSS rescore
  25. 2026-09-04 21:29 UTCOSV refresh
Show 75 more
  1. 2026-09-04 13:57 UTCEPSS rescore
  2. 2026-09-04 05:04 UTCEPSS rescore
  3. 2026-09-02 14:09 UTCEPSS rescore
  4. 2026-09-01 13:51 UTCEPSS rescore
  5. 2026-08-30 19:15 UTCEPSS rescore
  6. 2026-08-30 19:14 UTCEPSS rescore
  7. 2026-08-30 01:19 UTCEPSS rescore
  8. 2026-08-28 21:38 UTCEPSS rescore
  9. 2026-08-27 14:22 UTCEPSS rescore
  10. 2026-08-26 14:43 UTCEPSS rescore
  11. 2026-08-25 13:46 UTCEPSS rescore
  12. 2026-08-24 14:13 UTCEPSS rescore
  13. 2026-08-21 23:46 UTCEPSS rescore
  14. 2026-08-20 22:53 UTCEPSS rescore
  15. 2026-08-19 17:01 UTCEPSS rescore
  16. 2026-08-19 17:01 UTCEPSS rescore
  17. 2026-08-18 13:45 UTCEPSS rescore
  18. 2026-08-18 08:52 UTCOSV refresh
  19. 2026-08-16 02:12 UTCEPSS rescore
  20. 2026-08-15 01:27 UTCEPSS rescore
  21. 2026-08-13 21:58 UTCEPSS rescore
  22. 2026-08-13 21:58 UTCEPSS rescore
  23. 2026-08-12 13:48 UTCEPSS rescore
  24. 2026-08-11 13:39 UTCEPSS rescore
  25. 2026-08-08 16:34 UTCEPSS rescore
  26. 2026-08-07 16:24 UTCEPSS rescore
  27. 2026-08-06 13:44 UTCEPSS rescore
  28. 2026-08-04 15:07 UTCEPSS rescore
  29. 2026-08-03 03:57 UTCOSV refresh
  30. 2026-08-01 04:13 UTCEPSS rescore
  31. 2026-08-01 04:13 UTCEPSS rescore
  32. 2026-07-30 16:25 UTCEPSS rescore
  33. 2026-07-30 16:25 UTCEPSS rescore
  34. 2026-07-30 01:28 UTCEPSS rescore
  35. 2026-07-28 15:34 UTCEPSS rescore
  36. 2026-07-26 14:52 UTCEPSS rescore
  37. 2026-07-26 14:52 UTCEPSS rescore
  38. 2026-07-25 14:15 UTCEPSS rescore
  39. 2026-07-24 14:15 UTCEPSS rescore
  40. 2026-07-23 14:16 UTCEPSS rescore
  41. 2026-07-23 02:15 UTCEG score recompute
  42. 2026-07-22 23:03 UTCEG score recompute
  43. 2026-07-22 14:06 UTCEPSS rescore
  44. 2026-07-21 15:23 UTCEPSS rescore
  45. 2026-07-21 15:23 UTCEPSS rescore
  46. 2026-07-20 17:05 UTCEPSS rescore
  47. 2026-07-19 14:29 UTCEPSS rescore
  48. 2026-07-19 02:27 UTCEPSS rescore
  49. 2026-07-19 02:27 UTCEPSS rescore
  50. 2026-07-16 13:23 UTCOSV refresh
  51. 2026-07-15 16:56 UTCEPSS rescore
  52. 2026-07-15 16:56 UTCEPSS rescore
  53. 2026-07-13 22:28 UTCEPSS rescore
  54. 2026-07-13 06:11 UTCEPSS rescore
  55. 2026-07-12 05:44 UTCEPSS rescore
  56. 2026-07-11 08:25 UTCEPSS rescore
  57. 2026-07-11 08:25 UTCEPSS rescore
  58. 2026-07-09 19:08 UTCEPSS rescore
  59. 2026-07-08 15:12 UTCEPSS rescore
  60. 2026-07-04 06:29 UTCEPSS rescore
  61. 2026-07-02 16:58 UTCEPSS rescore
  62. 2026-07-01 15:04 UTCEPSS rescore
  63. 2026-06-30 23:20 UTCEPSS rescore
  64. 2026-06-30 23:20 UTCEPSS rescore
  65. 2026-06-29 14:04 UTCEPSS rescore
  66. 2026-06-29 14:04 UTCEPSS rescore
  67. 2026-06-28 12:19 UTCOSV refresh
  68. 2026-06-28 04:54 UTCEPSS rescore
  69. 2026-06-28 04:54 UTCEPSS rescore
  70. 2026-06-27 03:07 UTCEPSS rescore
  71. 2026-06-27 03:07 UTCEPSS rescore
  72. 2026-06-25 13:48 UTCEPSS rescore
  73. 2026-06-25 13:48 UTCEPSS rescore
  74. 2026-06-24 14:03 UTCEPSS rescore
  75. 2026-06-23 21:31 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCstephenbradshaw/CVE-2022-46164-poc
    First seen Jan 4, 2023

    Basic POC exploit for CVE-2022-46164

    Open source ↗

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2022-46164?
CVE-2022-46164 is a critical vulnerability published on December 5, 2022. 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…
When was CVE-2022-46164 disclosed?
CVE-2022-46164 was first published on December 5, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-46164 actively exploited?
CVE-2022-46164 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47% probability of exploitation in the next 30 days (98th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-46164?
CVE-2022-46164 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2022-46164?
A fix for CVE-2022-46164 is available: update to the fixed version the vendor names in its advisory.

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