CVE-2026-17627

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 90% 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
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: 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 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Security Bulletin: Langflow is affected by improper authorization due to missing access control on the voice-mode WebSocket endpoint

https://www.ibm.com/support/pages/node/7286294

Vendor Advisories for CVE-2026-17627(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 21× in last 7d / 60× 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. 2026-09-20 15:24 UTCGHSA enrichment
  2. 2026-09-20 02:13 UTCEG score recompute
  3. 2026-09-20 02:13 UTCGHSA enrichment
  4. 2026-09-19 13:02 UTCGHSA enrichment
  5. 2026-09-18 23:50 UTCEG score recompute
  6. 2026-09-18 23:50 UTCGHSA enrichment
  7. 2026-09-18 19:27 UTCEPSS rescore
  8. 2026-09-18 10:39 UTCGHSA enrichment
  9. 2026-09-17 21:24 UTCEG score recompute
  10. 2026-09-17 21:24 UTCGHSA enrichment
  11. 2026-09-17 08:12 UTCGHSA enrichment
  12. 2026-09-16 19:00 UTCEG score recompute
  13. 2026-09-16 19:00 UTCGHSA enrichment
  14. 2026-09-16 14:07 UTCEPSS rescore
  15. 2026-09-16 05:48 UTCEG score recompute
  16. 2026-09-16 05:48 UTCGHSA enrichment
  17. 2026-09-16 05:14 UTCEPSS rescore
  18. 2026-09-15 16:37 UTCGHSA enrichment
  19. 2026-09-15 03:20 UTCEG score recompute
  20. 2026-09-15 03:20 UTCGHSA enrichment
  21. 2026-09-14 14:09 UTCGHSA enrichment
  22. 2026-09-14 00:57 UTCEG score recompute
  23. 2026-09-14 00:57 UTCGHSA enrichment
  24. 2026-09-13 16:46 UTCEPSS rescore
  25. 2026-09-13 11:46 UTCGHSA enrichment
Show 35 more
  1. 2026-09-12 22:35 UTCEG score recompute
  2. 2026-09-12 22:35 UTCGHSA enrichment
  3. 2026-09-12 15:00 UTCEPSS rescore
  4. 2026-09-12 09:23 UTCGHSA enrichment
  5. 2026-09-11 20:10 UTCEG score recompute
  6. 2026-09-11 20:10 UTCGHSA enrichment
  7. 2026-09-11 14:52 UTCEPSS rescore
  8. 2026-09-11 09:36 UTCEPSS rescore
  9. 2026-09-11 06:42 UTCGHSA enrichment
  10. 2026-09-10 17:30 UTCEG score recompute
  11. 2026-09-10 17:30 UTCGHSA enrichment
  12. 2026-09-10 09:34 UTCEPSS rescore
  13. 2026-09-10 04:19 UTCGHSA enrichment
  14. 2026-09-09 15:07 UTCEG score recompute▲ 2.20
  15. 2026-09-09 15:07 UTCGHSA enrichment
  16. 2026-09-09 15:06 UTCNVD updateCVSS v3 → 7.1 · severity → HIGH
  17. 2026-09-09 13:44 UTCEG score recompute
  18. 2026-09-09 13:44 UTCGHSA enrichment
  19. 2026-09-08 22:00 UTCEPSS rescore
  20. 2026-09-08 15:14 UTCGHSA enrichment
  21. 2026-09-08 13:10 UTCEG score recompute
  22. 2026-09-08 13:09 UTCGHSA enrichment
  23. 2026-09-07 16:01 UTCEPSS rescore
  24. 2026-09-07 14:37 UTCGHSA enrichment
  25. 2026-09-06 15:40 UTCEG score recompute
  26. 2026-09-06 15:40 UTCGHSA enrichment
  27. 2026-09-06 13:47 UTCEPSS rescore
  28. 2026-09-05 17:10 UTCEG score recompute
  29. 2026-09-05 17:10 UTCGHSA enrichment
  30. 2026-09-04 18:39 UTCEG score recompute
  31. 2026-09-04 18:39 UTCGHSA enrichment
  32. 2026-09-04 17:46 UTCEG score recompute
  33. 2026-09-04 17:28 UTCEG score recompute
  34. 2026-09-04 16:39 UTCEG score recompute
  35. 2026-09-04 16:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-17627?
CVE-2026-17627 is a high vulnerability published on September 4, 2026. IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization.
When was CVE-2026-17627 disclosed?
CVE-2026-17627 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17627 actively exploited?
CVE-2026-17627 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 90.0% of all scored CVEs.
What is the CVSS score of CVE-2026-17627?
CVE-2026-17627 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-17627?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17627, 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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