CVE-2026-44484

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-07. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

May 14, 2026

Last Modified

July 15, 2026

Advisory Details (4)

Auto-updated Jul 25, 2026
Patch available. Sources: github, redhat.
redhat
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44484.json
redhat

2477476 – (CVE-2026-44484) CVE-2026-44484 pytorch-lightning: PyTorch Lightning: Credential harvesting via introduced functionality

https://bugzilla.redhat.com/show_bug.cgi?id=2477476
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-44484
github Patch Available

Compromise of PyTorch Lightning PyPi Package Versions · Advisory · Lightning-AI/pytorch-lightning · GitHub

https://github.com/Lightning-AI/pytorch-lightning/security/advisories/GHSA-w37p-236h-pfx3

Vendor Advisories for CVE-2026-44484(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
pippytorch-lightning—ghsa

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)
PyPI(1)
PackageVulnerable rangeFixed inDependents
pytorch-lightning2.6.2, 2.6.3——

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× 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 191 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-44484?
CVE-2026-44484 is a critical vulnerability published on May 14, 2026. PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.
When was CVE-2026-44484 disclosed?
CVE-2026-44484 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44484 actively exploited?
CVE-2026-44484 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 68.2% of all scored CVEs.
What is the CVSS score of CVE-2026-44484?
CVE-2026-44484 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-44484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44484, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-44484

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