CVE-2026-33265

CRITICALNVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.0 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 86% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.0Exploit: None knownExposed: 0

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

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

CVSS v3
9.0
EG Score
9.0(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity90% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

March 18, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Jul 28, 2026
🔬 Proof of concept available. Patch available.
generic Patch Available🟡 PoC Available

oss-security - [SBA-ADV-20251205-01] LibreChat 0.8.1-rc2 RAG API Authentication Bypass

https://www.openwall.com/lists/oss-security/2026/03/18/3
generic Patch Available🟡 PoC Available

advisories/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass at public · sbaresearch/advisories · GitHub

https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass

Weakness Classification(1)

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

Data Freshness Timeline

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

Frequently asked(5)

What is CVE-2026-33265?
CVE-2026-33265 is a critical vulnerability published on March 18, 2026. In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.
When was CVE-2026-33265 disclosed?
CVE-2026-33265 was first published in the National Vulnerability Database on March 18, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33265 actively exploited?
CVE-2026-33265 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 85.6% of all scored CVEs.
What is the CVSS score of CVE-2026-33265?
CVE-2026-33265 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2026-33265?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33265, 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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