CVE-2026-9205

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 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
Trending — 3 sources updated this week
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: None knownExposed: 0

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

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 7, 2026

Advisory Details (1)

Auto-updated Sep 18, 2026
No patch confirmed yet.
generic

Security Bulletin: Langflow is affected by weaknesses in secret handling and sensitive configuration access

https://www.ibm.com/support/pages/node/7282648

Vendor Advisories for CVE-2026-9205(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 46× in last 7d / 188× 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 315 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9205?
CVE-2026-9205 is a critical vulnerability published on August 5, 2026. IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensurefernetkey() function.
When was CVE-2026-9205 disclosed?
CVE-2026-9205 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9205 actively exploited?
CVE-2026-9205 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 85.7% of all scored CVEs.
What is the CVSS score of CVE-2026-9205?
CVE-2026-9205 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-9205?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9205, 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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