CVE-2026-55886

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 57% of all CVEs by exploit prediction. 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, secondary
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Jodit Editor is a WYSIWYG editor with written in pure TypeScript file and image editing capabilities. Versions prior to 4.12.26 are vulnerable to Prototype Pollution through Jodit.modules.Helpers.set(chain, value, obj), which walks the dot-separated chain, creating and following each path segment without filtering prototype-mutating keys. A chain that begins with (or contains) __proto__, constructor, or prototype lets the final assignment reach and mutate Object.prototype. Applications that pass a user-controlled or partially user-controlled key path into Jodit.modules.Helpers.set() could be vulnerable, causing unexpected property injection, logic bypass, denial of service, or secondary security issues. This issue has been fixed in version 4.12.26.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
33
EG Risk 33/100

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
Severity63% × 45%
Exploitation1% × 40%
Automatability30% × 15%
EPSS PROB
0.5%
EPSS %ILE
43rd
KEV
Not listed

Published

June 18, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
🔬 Proof of concept available. Patch available. Sources: github.
githubMentions a patch (unverified)🟡 PoC Available

Prototype pollution in Jodit via Jodit.modules.Helpers.set() · Advisory · xdan/jodit · GitHub

Affected: 4.12.26 by rejecting any

https://github.com/xdan/jodit/security/advisories/GHSA-vpmm-x3fm-qr5c

Vendor Advisories for CVE-2026-55886(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFix by version rangeDependents
jodit—
  • every version up to 4.12.26: fixed in 4.12.26
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 31× 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 134 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:13 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
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  9. 2026-10-02 16:13 UTCOSV refresh
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  15. 2026-10-01 19:50 UTCEPSS rescore
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  1. 2026-09-16 14:08 UTCEPSS rescore
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  5. 2026-09-13 14:01 UTCEG score recompute
  6. 2026-09-11 14:53 UTCEPSS rescore
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  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-23 03:46 UTCEG score recompute
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  26. 2026-08-20 22:55 UTCEPSS rescore
  27. 2026-08-20 10:13 UTCEG score recompute
  28. 2026-08-19 17:04 UTCEPSS rescore
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  30. 2026-08-18 13:48 UTCEPSS rescore
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  32. 2026-08-16 16:31 UTCEG score recompute
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  40. 2026-08-12 13:51 UTCEPSS rescore
  41. 2026-08-12 07:52 UTCEG score recompute
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  44. 2026-08-10 03:32 UTCEG score recompute
  45. 2026-08-09 13:46 UTCEPSS rescore
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  47. 2026-08-08 16:37 UTCEPSS rescore
  48. 2026-08-07 23:13 UTCEG score recompute
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  50. 2026-08-06 13:47 UTCEPSS rescore
  51. 2026-08-05 19:17 UTCEPSS rescore
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  62. 2026-07-30 16:28 UTCEPSS rescore
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  66. 2026-07-29 01:48 UTCEG score recompute
  67. 2026-07-28 15:37 UTCEPSS rescore
  68. 2026-07-27 22:15 UTCEG score recompute
  69. 2026-07-26 18:48 UTCEG score recompute
  70. 2026-07-26 14:54 UTCEPSS rescore
  71. 2026-07-25 14:18 UTCEPSS rescore
  72. 2026-07-24 14:18 UTCEPSS rescore
  73. 2026-07-23 14:18 UTCEPSS rescore
  74. 2026-07-23 03:20 UTCEG score recompute
  75. 2026-07-22 14:08 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-55886?
CVE-2026-55886 is a medium vulnerability published on June 18, 2026. Jodit Editor is a WYSIWYG editor with written in pure TypeScript file and image editing capabilities. Versions prior to 4.12.26 are vulnerable to Prototype Pollution through Jodit.modules.Helpers.set(chain, value, obj), which walks the dot-separated chain, creating and following each path segment…
When was CVE-2026-55886 disclosed?
CVE-2026-55886 was first published on June 18, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-55886 actively exploited?
CVE-2026-55886 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (43rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-55886?
CVE-2026-55886 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-55886?
A fix for CVE-2026-55886 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-55886 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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