CVE-2026-44907

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.6% (46th 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, secondary
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.7, 19.1.0 through 19.1.8, and 19.2.0 through 19.2.7).

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
49
EG Risk 49/100CISA 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
Severity75% × 45%
Exploitation1% × 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
0.6%
EPSS %ILE
47th
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 partial (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

July 21, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Jul 21, 2026
Patch available. Sources: github.
githubMentions a patch (unverified)

Denial of Service in Server Functions · Advisory · react/react · GitHub

https://github.com/react/react/security/advisories/GHSA-wx67-qw84-cm4g

Vendor Advisories for CVE-2026-44907(1)

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

Affected Packages

(3 across 1 ecosystem)
npm(3)
PackageVulnerable rangeFix by version rangeDependents
react-server-dom-parcel—
  • 19.1.0 up to 19.1.9: fixed in 19.1.9
  • 19.2.0 up to 19.2.8: fixed in 19.2.8
—
react-server-dom-turbopack—
  • 19.0.0 up to 19.0.8: fixed in 19.0.8
  • 19.1.0 up to 19.1.9: fixed in 19.1.9
  • 19.2.0 up to 19.2.8: fixed in 19.2.8
—
react-server-dom-webpack—
  • 19.0.0 up to 19.0.8: fixed in 19.0.8
  • 19.1.0 up to 19.1.9: fixed in 19.1.9
  • 19.2.0 up to 19.2.8: fixed in 19.2.8
—

Data Freshness Timeline

(refreshed 8× in last 7d / 36× 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 128 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:12 UTCEPSS rescore
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  1. 2026-09-16 14:08 UTCEPSS rescore
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  40. 2026-08-21 23:49 UTCEPSS rescore
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  44. 2026-08-19 17:04 UTCEPSS rescore
  45. 2026-08-18 19:33 UTCEG score recompute
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  47. 2026-08-17 14:14 UTCEG score recompute
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  50. 2026-08-16 14:56 UTCEPSS rescore
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  70. 2026-08-05 19:17 UTCEPSS rescore
  71. 2026-08-05 00:49 UTCEG score recompute
  72. 2026-08-04 15:10 UTCEPSS rescore
  73. 2026-08-04 12:51 UTCEG score recompute
  74. 2026-08-04 10:38 UTCEPSS rescore
  75. 2026-08-03 11:54 UTCEG score recompute

Related CVEs(same product)

Frequently asked(5)

What is CVE-2026-44907?
CVE-2026-44907 is a high vulnerability published on July 21, 2026. A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0…
When was CVE-2026-44907 disclosed?
CVE-2026-44907 was first published on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44907 actively exploited?
CVE-2026-44907 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (47th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-44907?
CVE-2026-44907 has a CVSS base score of 7.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-44907?
A fix for CVE-2026-44907 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-44907 are linked in the Vendor Advisories panel on this page.

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