CVE-2026-15976

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
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: Elevated riskExposed: 0

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

SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically within the /update_weights_from_disk, where torch.load(..., weights_only=False) fallback enables pickle deserialization of .bin files.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
41%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 4, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Breaking SGLang's Trust Boundaries | Thoughts | Apoorv Dayal

https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

Vendor Advisories for CVE-2026-15976(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 31× in last 7d / 156× 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 333 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15976?
CVE-2026-15976 is a critical vulnerability published on July 30, 2026. SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically within the /updateweightsfromdisk, where torch.load(..., weightsonly=False) fallback enables pickle deserialization of .bin files.
When was CVE-2026-15976 disclosed?
CVE-2026-15976 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15976 actively exploited?
CVE-2026-15976 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 58.9% of all scored CVEs.
What is the CVSS score of CVE-2026-15976?
CVE-2026-15976 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15976?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15976, 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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