CVE-2026-15976

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH 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(high)
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
26%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 4, 2026

Advisory Details (1)

Auto-updated Aug 18, 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 54× in last 7d / 168× 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 168 total refreshes for this CVE.

  1. 2026-08-21 00:17 UTCEG score recompute
  2. 2026-08-21 00:17 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 20:15 UTCGHSA enrichment
  5. 2026-08-20 16:12 UTCGHSA enrichment
  6. 2026-08-20 12:08 UTCGHSA enrichment
  7. 2026-08-20 07:54 UTCGHSA enrichment
  8. 2026-08-20 03:51 UTCGHSA enrichment
  9. 2026-08-19 23:47 UTCGHSA enrichment
  10. 2026-08-19 19:44 UTCEG score recompute
  11. 2026-08-19 19:44 UTCGHSA enrichment
  12. 2026-08-19 17:03 UTCEPSS rescore
  13. 2026-08-19 15:40 UTCGHSA enrichment
  14. 2026-08-19 11:37 UTCGHSA enrichment
  15. 2026-08-19 07:33 UTCGHSA enrichment
  16. 2026-08-19 03:25 UTCGHSA enrichment
  17. 2026-08-18 22:29 UTCGHSA enrichment
  18. 2026-08-18 18:27 UTCEG score recompute
  19. 2026-08-18 18:27 UTCGHSA enrichment
  20. 2026-08-18 13:48 UTCEPSS rescore
  21. 2026-08-18 12:00 UTCGHSA enrichment
  22. 2026-08-18 07:54 UTCGHSA enrichment
  23. 2026-08-18 03:51 UTCGHSA enrichment
  24. 2026-08-17 23:47 UTCGHSA enrichment
  25. 2026-08-17 19:43 UTCGHSA enrichment
Show 75 more
  1. 2026-08-17 14:13 UTCEG score recompute
  2. 2026-08-17 14:13 UTCGHSA enrichment
  3. 2026-08-17 13:47 UTCEPSS rescore
  4. 2026-08-17 10:10 UTCGHSA enrichment
  5. 2026-08-17 06:07 UTCGHSA enrichment
  6. 2026-08-17 02:05 UTCGHSA enrichment
  7. 2026-08-16 22:02 UTCGHSA enrichment
  8. 2026-08-16 17:59 UTCEG score recompute
  9. 2026-08-16 17:59 UTCGHSA enrichment
  10. 2026-08-16 14:56 UTCEPSS rescore
  11. 2026-08-16 13:56 UTCGHSA enrichment
  12. 2026-08-16 09:52 UTCGHSA enrichment
  13. 2026-08-16 05:49 UTCEG score recompute
  14. 2026-08-16 05:49 UTCGHSA enrichment
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-16 01:47 UTCGHSA enrichment
  17. 2026-08-15 21:44 UTCGHSA enrichment
  18. 2026-08-15 17:41 UTCGHSA enrichment
  19. 2026-08-15 13:38 UTCGHSA enrichment
  20. 2026-08-15 09:35 UTCGHSA enrichment
  21. 2026-08-15 05:32 UTCEG score recompute
  22. 2026-08-15 05:32 UTCGHSA enrichment
  23. 2026-08-15 01:30 UTCEPSS rescore
  24. 2026-08-15 01:28 UTCGHSA enrichment
  25. 2026-08-14 21:25 UTCGHSA enrichment
  26. 2026-08-14 17:23 UTCGHSA enrichment
  27. 2026-08-14 13:17 UTCGHSA enrichment
  28. 2026-08-14 09:14 UTCGHSA enrichment
  29. 2026-08-14 05:11 UTCGHSA enrichment
  30. 2026-08-14 01:08 UTCEG score recompute
  31. 2026-08-14 01:08 UTCGHSA enrichment
  32. 2026-08-13 22:00 UTCEPSS rescore
  33. 2026-08-13 21:05 UTCGHSA enrichment
  34. 2026-08-13 16:55 UTCGHSA enrichment
  35. 2026-08-13 12:52 UTCGHSA enrichment
  36. 2026-08-13 08:49 UTCGHSA enrichment
  37. 2026-08-13 04:46 UTCGHSA enrichment
  38. 2026-08-13 00:43 UTCGHSA enrichment
  39. 2026-08-12 20:40 UTCGHSA enrichment
  40. 2026-08-12 16:38 UTCEG score recompute
  41. 2026-08-12 16:38 UTCGHSA enrichment
  42. 2026-08-12 13:50 UTCEPSS rescore
  43. 2026-08-12 12:35 UTCGHSA enrichment
  44. 2026-08-12 08:32 UTCGHSA enrichment
  45. 2026-08-12 04:29 UTCGHSA enrichment
  46. 2026-08-12 00:22 UTCGHSA enrichment
  47. 2026-08-11 20:17 UTCGHSA enrichment
  48. 2026-08-11 16:14 UTCEG score recompute
  49. 2026-08-11 16:14 UTCGHSA enrichment
  50. 2026-08-11 13:42 UTCEPSS rescore
  51. 2026-08-11 12:11 UTCGHSA enrichment
  52. 2026-08-11 08:08 UTCGHSA enrichment
  53. 2026-08-11 04:05 UTCGHSA enrichment
  54. 2026-08-11 00:02 UTCEG score recompute
  55. 2026-08-11 00:02 UTCGHSA enrichment
  56. 2026-08-11 00:00 UTCEPSS rescore
  57. 2026-08-10 19:59 UTCGHSA enrichment
  58. 2026-08-10 15:56 UTCGHSA enrichment
  59. 2026-08-10 11:51 UTCGHSA enrichment
  60. 2026-08-10 07:48 UTCGHSA enrichment
  61. 2026-08-10 03:45 UTCGHSA enrichment
  62. 2026-08-09 23:42 UTCGHSA enrichment
  63. 2026-08-09 19:39 UTCGHSA enrichment
  64. 2026-08-09 15:36 UTCEG score recompute
  65. 2026-08-09 15:36 UTCGHSA enrichment
  66. 2026-08-09 13:46 UTCEPSS rescore
  67. 2026-08-09 11:34 UTCGHSA enrichment
  68. 2026-08-09 07:30 UTCGHSA enrichment
  69. 2026-08-09 03:27 UTCGHSA enrichment
  70. 2026-08-08 23:24 UTCGHSA enrichment
  71. 2026-08-08 19:21 UTCEG score recompute
  72. 2026-08-08 19:21 UTCGHSA enrichment
  73. 2026-08-08 16:37 UTCEPSS rescore
  74. 2026-08-08 15:18 UTCGHSA enrichment
  75. 2026-08-08 11:15 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 73.7% 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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