CVE-2026-68771

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-01. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

ComfyUI v0.23.0 contains an unsafe deserialization vulnerability in the LoadTrainingDataset node that allows unauthenticated remote attackers to execute arbitrary Python code by uploading a crafted pickle file and triggering its deserialization. Attackers can upload a malicious shard_*.pkl file via the unauthenticated POST /upload/image endpoint and then queue a workflow graph via POST /prompt referencing the uploaded file, causing torch.load to deserialize the attacker-controlled pickle payload using __reduce__ and execute arbitrary commands as the ComfyUI process user.

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%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
54%
KEV
Not listed

Published

July 31, 2026

Last Modified

September 9, 2026

Advisory Details (4)

Auto-updated Sep 16, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
generic

ComfyUI 0.23.0 Unauthenticated RCE via LoadTrainingDataset Pickle Deserialization | Advisories | VulnCheck

https://www.vulncheck.com/advisories/comfyui-unauthenticated-rce-via-loadtrainingdataset-pickle-deserialization
github_pr

harden: load training-dataset shards with weights_only=True

Fix merged in Comfy-Org/ComfyUI PR #14543 on 2026-06-18 — awaiting tagged release

https://github.com/Comfy-Org/ComfyUI/pull/14543
github_commit

commit 94ee49b16128 (Comfy-Org/ComfyUI)

Fix landed in Comfy-Org/ComfyUI commit 94ee49b16128 — awaiting tagged release

https://github.com/Comfy-Org/ComfyUI/commit/94ee49b1612824366a8631ea069b2a1fa5c73720
generic

GitHub - Comfy-Org/ComfyUI: The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. · GitHub

https://github.com/Comfy-Org/ComfyUI

Vendor Advisories for CVE-2026-68771(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 32× in last 7d / 169× 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 359 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-68771?
CVE-2026-68771 is a critical vulnerability published on July 31, 2026. ComfyUI v0.23.0 contains an unsafe deserialization vulnerability in the LoadTrainingDataset node that allows unauthenticated remote attackers to execute arbitrary Python code by uploading a crafted pickle file and triggering its deserialization. Attackers can upload a malicious shard_*.pkl file via…
When was CVE-2026-68771 disclosed?
CVE-2026-68771 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-68771 actively exploited?
CVE-2026-68771 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 45.6% of all scored CVEs.
What is the CVSS score of CVE-2026-68771?
CVE-2026-68771 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-68771?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-68771, 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.

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