CVE-2026-31223

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-12. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

The snorkel library thru v0.10.0 contains a critical insecure deserialization vulnerability (CWE-502) in the BaseLabeler.load() method of the BaseLabeler class. The method loads serialized labeler models using the unsafe pickle.load() function on user-supplied file paths without any validation or security controls. Python's pickle module is inherently dangerous for deserializing untrusted data, as it can execute arbitrary code during the deserialization process. A remote attacker can exploit this by providing a maliciously crafted pickle file, leading to arbitrary code execution on the victim's system when the file is loaded via the vulnerable method.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
31.3%
KEV
Not listed

Published

May 12, 2026

Last Modified

May 15, 2026

Advisory Details (2)

Auto-updated May 13, 2026
No patch confirmed yet.
generic

Notion

https://www.notion.so/CVE-2026-31223-35d1e1393188811ab1d0e4a8a2e67992
generic

GitHub - snorkel-team/snorkel: A system for quickly generating training data with weak supervision · GitHub

https://github.com/snorkel-team/snorkel

Vendor Advisories for CVE-2026-31223(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
pipsnorkel—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
snorkel0.10.0 ... 0.9.9 (11 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 63× 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 158 total refreshes for this CVE.

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

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-31223?
CVE-2026-31223 is a high vulnerability published on May 12, 2026. The snorkel library thru v0.10.0 contains a critical insecure deserialization vulnerability (CWE-502) in the BaseLabeler.load() method of the BaseLabeler class. The method loads serialized labeler models using the unsafe pickle.load() function on user-supplied file paths without any validation or…
When was CVE-2026-31223 disclosed?
CVE-2026-31223 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on May 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-31223 actively exploited?
CVE-2026-31223 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-31223?
CVE-2026-31223 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-31223?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31223, 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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