CVE-2026-9205

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.4% (33rd percentile of EPSS-scored CVEs). 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 mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 9.8Exploit: None knownExposed services: Not assessed

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

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

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
44
EG Risk 44/100CISA SSVC

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%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 5, 2026

Last Modified

August 7, 2026

Advisory Details (1)

Auto-updated Oct 2, 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 25× in last 7d / 153× 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 379 total refreshes for this CVE.

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

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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 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 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-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?
No fix for CVE-2026-9205 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-9205 are linked in the Vendor Advisories panel on this page.

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