CVE-2026-9077

HIGHPre-NVD 8.58.5—
EchelonGraph scoreHIGH 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(high)
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
24%
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 30× in last 7d / 70× 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. 2026-08-21 06:15 UTCEG score recompute
  2. 2026-08-21 06:15 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 18:41 UTCGHSA enrichment
  5. 2026-08-20 07:07 UTCGHSA enrichment
  6. 2026-08-19 19:34 UTCEG score recompute
  7. 2026-08-19 19:34 UTCGHSA enrichment
  8. 2026-08-19 17:04 UTCEPSS rescore
  9. 2026-08-19 07:59 UTCGHSA enrichment
  10. 2026-08-18 20:26 UTCEG score recompute
  11. 2026-08-18 20:26 UTCGHSA enrichment
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 08:52 UTCGHSA enrichment
  14. 2026-08-17 21:18 UTCEG score recompute
  15. 2026-08-17 21:18 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 09:45 UTCGHSA enrichment
  18. 2026-08-16 22:12 UTCEG score recompute
  19. 2026-08-16 22:12 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 10:38 UTCEG score recompute
  23. 2026-08-16 10:38 UTCGHSA enrichment
  24. 2026-08-16 02:15 UTCEPSS rescore
  25. 2026-08-15 23:05 UTCGHSA enrichment
Show 45 more
  1. 2026-08-15 11:31 UTCEG score recompute
  2. 2026-08-15 11:31 UTCGHSA enrichment
  3. 2026-08-15 01:31 UTCEPSS rescore
  4. 2026-08-14 23:57 UTCGHSA enrichment
  5. 2026-08-14 12:23 UTCGHSA enrichment
  6. 2026-08-14 00:50 UTCEG score recompute
  7. 2026-08-14 00:50 UTCGHSA enrichment
  8. 2026-08-13 22:00 UTCEPSS rescore
  9. 2026-08-13 13:16 UTCGHSA enrichment
  10. 2026-08-13 01:42 UTCGHSA enrichment
  11. 2026-08-12 14:09 UTCEG score recompute
  12. 2026-08-12 14:09 UTCGHSA enrichment
  13. 2026-08-12 13:51 UTCEPSS rescore
  14. 2026-08-12 02:35 UTCGHSA enrichment
  15. 2026-08-11 15:01 UTCEG score recompute
  16. 2026-08-11 15:01 UTCGHSA enrichment
  17. 2026-08-11 13:43 UTCEPSS rescore
  18. 2026-08-11 03:27 UTCEG score recompute
  19. 2026-08-11 03:27 UTCGHSA enrichment
  20. 2026-08-11 00:00 UTCEPSS rescore
  21. 2026-08-10 15:54 UTCGHSA enrichment
  22. 2026-08-10 03:57 UTCGHSA enrichment
  23. 2026-08-09 16:23 UTCEG score recompute
  24. 2026-08-09 16:23 UTCGHSA enrichment
  25. 2026-08-09 13:47 UTCEPSS rescore
  26. 2026-08-09 04:50 UTCGHSA enrichment
  27. 2026-08-08 17:17 UTCEG score recompute
  28. 2026-08-08 17:17 UTCGHSA enrichment
  29. 2026-08-08 16:37 UTCEPSS rescore
  30. 2026-08-08 05:43 UTCGHSA enrichment
  31. 2026-08-07 18:10 UTCEG score recompute
  32. 2026-08-07 18:10 UTCGHSA enrichment
  33. 2026-08-07 16:30 UTCEPSS rescore
  34. 2026-08-07 06:36 UTCGHSA enrichment
  35. 2026-08-06 19:02 UTCGHSA enrichment
  36. 2026-08-06 15:49 UTCEG score recompute
  37. 2026-08-06 15:49 UTCGHSA enrichment
  38. 2026-08-06 13:47 UTCEPSS rescore
  39. 2026-08-06 07:05 UTCGHSA enrichment
  40. 2026-08-05 19:31 UTCEG score recompute
  41. 2026-08-05 19:31 UTCGHSA enrichment
  42. 2026-08-05 18:26 UTCEG score recompute
  43. 2026-08-05 17:29 UTCEG score recompute
  44. 2026-08-05 16:51 UTCEG score recompute
  45. 2026-08-05 16:50 UTCMITRE cvelistV5first tracked

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 76.3% 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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