CVE-2026-37004

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-27. 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
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.

BerriAI litellm <=1.82.4 is vulnerable to Server-Side Template Injection (SSTI), which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotprompt_content parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment.

CVSS v3
9.8
EG Score
9.8(high)
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
45%
KEV
Not listed

Published

August 27, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Writeup - Yeran Gamage

https://yerangamage.com/cves/detail/?slug=litellm-ssti-rce
generic

litellm/litellm/proxy/prompts/prompt_endpoints.py at 244bdffd1bfe7bebdfdef516e1ebe426a898e2f0 · BerriAI/litellm · GitHub

https://github.com/BerriAI/litellm/blob/244bdffd1bfe7bebdfdef516e1ebe426a898e2f0/litellm/proxy/prompts/prompt_endpoints.py#L1073

Vendor Advisories for CVE-2026-37004(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 15× in last 7d / 94× 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.

  1. 2026-09-19 16:33 UTCEG score recompute
  2. 2026-09-18 23:06 UTCEG score recompute
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-17 20:56 UTCEG score recompute
  6. 2026-09-17 19:30 UTCEPSS rescore
  7. 2026-09-16 14:09 UTCEG score recompute
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 09:18 UTCEG score recompute
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-15 06:22 UTCEG score recompute
  12. 2026-09-15 03:11 UTCEPSS rescore
  13. 2026-09-13 19:32 UTCEG score recompute
  14. 2026-09-13 16:47 UTCEPSS rescore
  15. 2026-09-12 17:22 UTCEG score recompute
  16. 2026-09-12 15:01 UTCEPSS rescore
  17. 2026-09-11 15:15 UTCEG score recompute
  18. 2026-09-11 14:53 UTCEPSS rescore
  19. 2026-09-11 10:54 UTCEG score recompute
  20. 2026-09-11 09:37 UTCEPSS rescore
  21. 2026-09-10 13:06 UTCEG score recompute
  22. 2026-09-10 09:34 UTCEPSS rescore
  23. 2026-09-09 00:45 UTCEG score recompute
  24. 2026-09-08 22:00 UTCEPSS rescore
  25. 2026-09-08 11:26 UTCGHSA enrichment
Show 69 more
  1. 2026-09-08 04:49 UTCGHSA enrichment
  2. 2026-09-08 00:28 UTCGHSA enrichment
  3. 2026-09-07 20:06 UTCEG score recompute
  4. 2026-09-07 20:06 UTCGHSA enrichment
  5. 2026-09-07 16:01 UTCEPSS rescore
  6. 2026-09-07 15:44 UTCGHSA enrichment
  7. 2026-09-07 11:23 UTCGHSA enrichment
  8. 2026-09-07 06:57 UTCGHSA enrichment
  9. 2026-09-07 02:33 UTCGHSA enrichment
  10. 2026-09-06 22:07 UTCGHSA enrichment
  11. 2026-09-06 17:43 UTCEG score recompute
  12. 2026-09-06 17:43 UTCGHSA enrichment
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-06 13:21 UTCGHSA enrichment
  15. 2026-09-06 09:00 UTCGHSA enrichment
  16. 2026-09-06 04:39 UTCGHSA enrichment
  17. 2026-09-06 00:17 UTCGHSA enrichment
  18. 2026-09-05 19:56 UTCGHSA enrichment
  19. 2026-09-05 15:34 UTCEG score recompute
  20. 2026-09-05 15:34 UTCGHSA enrichment
  21. 2026-09-05 11:07 UTCGHSA enrichment
  22. 2026-09-05 06:43 UTCGHSA enrichment
  23. 2026-09-05 02:07 UTCGHSA enrichment
  24. 2026-09-04 21:46 UTCGHSA enrichment
  25. 2026-09-04 17:21 UTCEG score recompute
  26. 2026-09-04 17:21 UTCGHSA enrichment
  27. 2026-09-04 12:58 UTCGHSA enrichment
  28. 2026-09-04 08:37 UTCEG score recompute
  29. 2026-09-04 08:36 UTCGHSA enrichment
  30. 2026-09-04 05:06 UTCEPSS rescore
  31. 2026-09-04 04:12 UTCGHSA enrichment
  32. 2026-09-03 23:48 UTCGHSA enrichment
  33. 2026-09-03 19:00 UTCGHSA enrichment
  34. 2026-09-03 14:07 UTCGHSA enrichment
  35. 2026-09-03 09:42 UTCGHSA enrichment
  36. 2026-09-03 05:20 UTCGHSA enrichment
  37. 2026-09-03 00:54 UTCGHSA enrichment
  38. 2026-09-02 20:32 UTCGHSA enrichment
  39. 2026-09-02 15:38 UTCEG score recompute
  40. 2026-09-02 15:37 UTCGHSA enrichment
  41. 2026-09-02 14:12 UTCEPSS rescore
  42. 2026-09-02 11:13 UTCGHSA enrichment
  43. 2026-09-02 06:51 UTCGHSA enrichment
  44. 2026-09-02 02:29 UTCGHSA enrichment
  45. 2026-09-01 22:03 UTCGHSA enrichment
  46. 2026-09-01 17:42 UTCEG score recompute
  47. 2026-09-01 17:42 UTCGHSA enrichment
  48. 2026-09-01 13:53 UTCEPSS rescore
  49. 2026-09-01 13:21 UTCGHSA enrichment
  50. 2026-09-01 09:00 UTCEG score recompute
  51. 2026-09-01 09:00 UTCGHSA enrichment
  52. 2026-09-01 04:39 UTCEPSS rescore
  53. 2026-09-01 04:39 UTCGHSA enrichment
  54. 2026-09-01 04:04 UTCGHSA enrichment
  55. 2026-09-01 01:46 UTCEG score recompute
  56. 2026-09-01 01:46 UTCGHSA enrichment
  57. 2026-08-31 21:22 UTCGHSA enrichment
  58. 2026-08-31 20:55 UTCEG score recompute▲ 9.80
  59. 2026-08-31 20:55 UTCGHSA enrichment
  60. 2026-08-31 20:54 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  61. 2026-08-31 20:13 UTCGHSA enrichment
  62. 2026-08-31 01:06 UTCEG score recompute
  63. 2026-08-31 01:06 UTCGHSA enrichment
  64. 2026-08-30 19:17 UTCEPSS rescore
  65. 2026-08-30 01:22 UTCEPSS rescore
  66. 2026-08-28 21:41 UTCEPSS rescore
  67. 2026-08-27 20:26 UTCNVD update
  68. 2026-08-27 20:16 UTCEG score recompute
  69. 2026-08-27 20:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-37004?
CVE-2026-37004 is a critical vulnerability published on August 27, 2026. BerriAI litellm <=1.82.4 is vulnerable to Server-Side Template Injection (SSTI), which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotprompt_content parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment.
When was CVE-2026-37004 disclosed?
CVE-2026-37004 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-37004 actively exploited?
CVE-2026-37004 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 55.2% of all scored CVEs.
What is the CVSS score of CVE-2026-37004?
CVE-2026-37004 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-37004?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37004, 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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