CVE-2026-5760

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-20. 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
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

SGLang's reranking endpoint (/v1/rerank) achieves Remote Code Execution (RCE) when a model file containing a malcious tokenizer.chat_template is loaded, as the Jinja2 chat templates are rendered using an unsandboxed jinja2.Environment().

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
54.1%
KEV
Not listed

Published

April 20, 2026

Last Modified

June 3, 2026

Advisory Details (3)

Auto-updated Jun 20, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr, cert.
cert

VU#915947 - SGLang is vulnerable to remote code execution when rendering chat templates from a model file

https://www.kb.cert.org/vuls/id/915947
github_pr

Fix for CVE-2026-5760

Fix merged in sgl-project/sglang PR #23660 on 2026-04-29 — awaiting tagged release

https://github.com/sgl-project/sglang/pull/23660
generic🟡 PoC Available

GitHub - Stuub/SGLang-0.5.9-RCE: Proof of Concept exploitation of CVE-2026-5760 - RCE in SGLang 0.5.9 via malicious GGUF · GitHub

https://github.com/Stuub/SGLang-0.5.9-RCE

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 45× 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 182 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-5760?
CVE-2026-5760 is a critical vulnerability published on April 20, 2026. SGLang's reranking endpoint (/v1/rerank) achieves Remote Code Execution (RCE) when a model file containing a malcious tokenizer.chat_template is loaded, as the Jinja2 chat templates are rendered using an unsandboxed jinja2.Environment().
When was CVE-2026-5760 disclosed?
CVE-2026-5760 was first published in the National Vulnerability Database on April 20, 2026, with the most recent update on June 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5760 actively exploited?
CVE-2026-5760 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-5760?
CVE-2026-5760 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-5760?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5760, 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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