CVE-2026-9077

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. a secondary CVSS source baseline 8.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.5Exploit: None knownExposed: 0

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

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.

CVSS v3
8.5
EG Score
8.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity85% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 6, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

Security Bulletin: Langflow is affected by security vulnerabilities in Model Context Protocol features

https://www.ibm.com/support/pages/node/7282147

Vendor Advisories for CVE-2026-9077(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 26× in last 7d / 105× 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 171 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9077?
CVE-2026-9077 is a high vulnerability published on August 5, 2026. IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.
When was CVE-2026-9077 disclosed?
CVE-2026-9077 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9077 actively exploited?
CVE-2026-9077 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 75.3% of all scored CVEs.
What is the CVSS score of CVE-2026-9077?
CVE-2026-9077 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2026-9077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9077, 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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