CVE-2026-44579

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: 0.7%, top 48% 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
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected configurations, a malicious request can trigger a request-body handling deadlock that leaves connections open for an extended period, consuming file descriptors and server capacity until legitimate users are denied service. This vulnerability is fixed in 15.5.16 and 16.2.5.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

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%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

May 13, 2026

Last Modified

August 13, 2026

Advisory Details (1)

Auto-updated May 13, 2026
Patch available. Sources: github.
github Patch Available

Denial of Service via connection exhaustion in applications using Cache Components · Advisory · vercel/next.js · GitHub

https://github.com/vercel/next.js/security/advisories/GHSA-mg66-mrh9-m8jx

Vendor Advisories for CVE-2026-44579(4)

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

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatnext2026-08-12redhat
redhatrhtas/rekor-search-ui-rhel9:17839586222026-07-16redhat
redhatrhtas/rekor-search-ui-rhel9:17833271852026-07-09redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
next—16.2.5—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× 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 175 total refreshes for this CVE.

  1. 2026-09-13 16:47 UTCEPSS rescore
  2. 2026-09-12 15:01 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 09:37 UTCEPSS rescore
  5. 2026-09-11 08:23 UTCOSV refresh
  6. 2026-09-10 09:34 UTCEPSS rescore
  7. 2026-09-08 22:00 UTCEPSS rescore
  8. 2026-09-07 16:01 UTCEPSS rescore
  9. 2026-09-06 13:47 UTCEPSS rescore
  10. 2026-09-04 05:06 UTCEPSS rescore
  11. 2026-09-02 14:12 UTCEPSS rescore
  12. 2026-09-01 13:54 UTCEPSS rescore
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 01:22 UTCEPSS rescore
  15. 2026-08-28 21:41 UTCEPSS rescore
  16. 2026-08-27 14:25 UTCEPSS rescore
  17. 2026-08-26 14:46 UTCEPSS rescore
  18. 2026-08-25 13:49 UTCEPSS rescore
  19. 2026-08-23 17:51 UTCEG score recompute
  20. 2026-08-23 17:51 UTCVendor advisory
  21. 2026-08-23 00:19 UTCEPSS rescore
  22. 2026-08-21 23:49 UTCEPSS rescore
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 19:48 UTCEG score recompute
  25. 2026-08-20 19:48 UTCVendor advisory
Show 75 more
  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-18 13:48 UTCEPSS rescore
  3. 2026-08-17 13:47 UTCEPSS rescore
  4. 2026-08-17 10:39 UTCEG score recompute
  5. 2026-08-17 10:39 UTCVendor advisory
  6. 2026-08-16 14:56 UTCEPSS rescore
  7. 2026-08-16 04:03 UTCEG score recompute
  8. 2026-08-16 04:03 UTCVendor advisory
  9. 2026-08-16 02:14 UTCEPSS rescore
  10. 2026-08-15 01:30 UTCEPSS rescore
  11. 2026-08-15 00:15 UTCVendor advisory
  12. 2026-08-14 13:23 UTCVendor advisory
  13. 2026-08-14 02:32 UTCEG score recompute
  14. 2026-08-14 02:32 UTCVendor advisory
  15. 2026-08-13 22:00 UTCEPSS rescore
  16. 2026-08-13 13:38 UTCEG score recompute
  17. 2026-08-13 13:38 UTCVendor advisory
  18. 2026-08-13 12:28 UTCEG score recompute
  19. 2026-08-13 12:28 UTCVendor advisory
  20. 2026-08-13 02:41 UTCVendor advisory
  21. 2026-08-12 15:50 UTCEG score recompute
  22. 2026-08-12 15:50 UTCVendor advisory
  23. 2026-08-12 13:51 UTCEPSS rescore
  24. 2026-08-12 02:19 UTCVendor advisory
  25. 2026-08-11 15:28 UTCEG score recompute
  26. 2026-08-11 15:28 UTCVendor advisory
  27. 2026-08-11 00:57 UTCEG score recompute
  28. 2026-08-11 00:57 UTCVendor advisory
  29. 2026-08-11 00:00 UTCEPSS rescore
  30. 2026-08-10 10:29 UTCVendor advisory
  31. 2026-08-09 23:37 UTCEG score recompute
  32. 2026-08-09 23:37 UTCVendor advisory
  33. 2026-08-09 13:46 UTCEPSS rescore
  34. 2026-08-09 12:46 UTCVendor advisory
  35. 2026-08-09 01:55 UTCEG score recompute
  36. 2026-08-09 01:55 UTCVendor advisory
  37. 2026-08-08 16:37 UTCEPSS rescore
  38. 2026-08-08 04:42 UTCVendor advisory
  39. 2026-08-07 17:51 UTCEG score recompute
  40. 2026-08-07 17:51 UTCVendor advisory
  41. 2026-08-07 06:59 UTCVendor advisory
  42. 2026-08-06 19:23 UTCEG score recompute
  43. 2026-08-06 19:23 UTCVendor advisory
  44. 2026-08-06 13:46 UTCEPSS rescore
  45. 2026-08-06 08:32 UTCVendor advisory
  46. 2026-08-05 21:40 UTCEG score recompute
  47. 2026-08-05 21:40 UTCVendor advisory
  48. 2026-08-05 19:17 UTCEPSS rescore
  49. 2026-08-04 15:10 UTCEPSS rescore
  50. 2026-08-04 10:38 UTCEPSS rescore
  51. 2026-08-04 06:00 UTCVendor advisory
  52. 2026-08-03 19:09 UTCEG score recompute
  53. 2026-08-03 19:09 UTCVendor advisory
  54. 2026-08-03 10:36 UTCEPSS rescore
  55. 2026-08-02 19:01 UTCVendor advisory
  56. 2026-08-02 08:09 UTCEG score recompute
  57. 2026-08-02 08:09 UTCVendor advisory
  58. 2026-08-02 02:27 UTCEPSS rescore
  59. 2026-08-01 19:51 UTCEG score recompute
  60. 2026-08-01 19:51 UTCVendor advisory
  61. 2026-08-01 04:16 UTCEPSS rescore
  62. 2026-07-30 16:28 UTCEPSS rescore
  63. 2026-07-30 01:30 UTCEPSS rescore
  64. 2026-07-28 15:36 UTCEPSS rescore
  65. 2026-07-27 14:13 UTCEPSS rescore
  66. 2026-07-26 14:54 UTCEPSS rescore
  67. 2026-07-26 14:54 UTCEPSS rescore
  68. 2026-07-25 14:18 UTCEPSS rescore
  69. 2026-07-24 14:17 UTCEPSS rescore
  70. 2026-07-23 14:18 UTCEPSS rescore
  71. 2026-07-23 03:15 UTCEG score recompute
  72. 2026-07-22 14:08 UTCEPSS rescore
  73. 2026-07-21 15:24 UTCEPSS rescore
  74. 2026-07-20 17:08 UTCEPSS rescore
  75. 2026-07-19 14:31 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-44579?
CVE-2026-44579 is a high vulnerability published on May 13, 2026. Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected…
When was CVE-2026-44579 disclosed?
CVE-2026-44579 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44579 actively exploited?
CVE-2026-44579 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.2% of all scored CVEs.
What is the CVSS score of CVE-2026-44579?
CVE-2026-44579 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-44579?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44579, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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