CVE-2026-19304

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: 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 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (1)

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

Security Bulletin: Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components

https://www.ibm.com/support/pages/node/7285639

Vendor Advisories for CVE-2026-19304(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 22× in last 7d / 64× 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 18:13 UTCGHSA enrichment
  2. 2026-09-20 05:21 UTCGHSA enrichment
  3. 2026-09-19 16:29 UTCEG score recompute
  4. 2026-09-19 16:29 UTCGHSA enrichment
  5. 2026-09-19 03:37 UTCEG score recompute
  6. 2026-09-19 03:36 UTCGHSA enrichment
  7. 2026-09-18 19:27 UTCEPSS rescore
  8. 2026-09-18 14:45 UTCGHSA enrichment
  9. 2026-09-18 01:53 UTCEG score recompute
  10. 2026-09-18 01:53 UTCGHSA enrichment
  11. 2026-09-17 13:01 UTCGHSA enrichment
  12. 2026-09-16 23:36 UTCEG score recompute
  13. 2026-09-16 23:36 UTCGHSA enrichment
  14. 2026-09-16 14:07 UTCEPSS rescore
  15. 2026-09-16 10:44 UTCEG score recompute
  16. 2026-09-16 10:44 UTCGHSA enrichment
  17. 2026-09-16 05:14 UTCEPSS rescore
  18. 2026-09-15 21:50 UTCGHSA enrichment
  19. 2026-09-15 08:58 UTCEG score recompute
  20. 2026-09-15 08:58 UTCGHSA enrichment
  21. 2026-09-14 20:06 UTCGHSA enrichment
  22. 2026-09-14 07:14 UTCGHSA enrichment
  23. 2026-09-13 18:23 UTCEG score recompute
  24. 2026-09-13 18:23 UTCGHSA enrichment
  25. 2026-09-13 16:46 UTCEPSS rescore
Show 39 more
  1. 2026-09-13 05:31 UTCGHSA enrichment
  2. 2026-09-12 16:40 UTCEG score recompute
  3. 2026-09-12 16:40 UTCGHSA enrichment
  4. 2026-09-12 15:00 UTCEPSS rescore
  5. 2026-09-12 03:48 UTCGHSA enrichment
  6. 2026-09-11 14:57 UTCEG score recompute
  7. 2026-09-11 14:57 UTCGHSA enrichment
  8. 2026-09-11 14:52 UTCEPSS rescore
  9. 2026-09-11 09:36 UTCEPSS rescore
  10. 2026-09-11 02:05 UTCGHSA enrichment
  11. 2026-09-10 13:12 UTCEG score recompute
  12. 2026-09-10 13:12 UTCGHSA enrichment
  13. 2026-09-10 09:34 UTCEPSS rescore
  14. 2026-09-10 00:20 UTCGHSA enrichment
  15. 2026-09-09 11:27 UTCGHSA enrichment
  16. 2026-09-08 22:35 UTCEG score recompute
  17. 2026-09-08 22:35 UTCGHSA enrichment
  18. 2026-09-08 22:00 UTCEPSS rescore
  19. 2026-09-08 19:57 UTCEG score recompute
  20. 2026-09-08 19:57 UTCGHSA enrichment
  21. 2026-09-08 18:16 UTCEG score recompute
  22. 2026-09-08 18:16 UTCGHSA enrichment
  23. 2026-09-08 15:15 UTCGHSA enrichment
  24. 2026-09-08 10:44 UTCGHSA enrichment
  25. 2026-09-07 21:42 UTCEG score recompute
  26. 2026-09-07 21:42 UTCGHSA enrichment
  27. 2026-09-07 16:01 UTCEPSS rescore
  28. 2026-09-07 08:50 UTCGHSA enrichment
  29. 2026-09-06 19:57 UTCEG score recompute
  30. 2026-09-06 19:57 UTCGHSA enrichment
  31. 2026-09-06 13:47 UTCEPSS rescore
  32. 2026-09-06 07:05 UTCGHSA enrichment
  33. 2026-09-05 18:11 UTCEG score recompute
  34. 2026-09-05 18:11 UTCGHSA enrichment
  35. 2026-09-05 05:18 UTCEG score recompute
  36. 2026-09-05 05:17 UTCGHSA enrichment
  37. 2026-09-04 16:24 UTCEG score recompute
  38. 2026-09-04 15:34 UTCEG score recompute
  39. 2026-09-04 15:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19304?
CVE-2026-19304 is a high vulnerability published on September 4, 2026. IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.
When was CVE-2026-19304 disclosed?
CVE-2026-19304 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19304 actively exploited?
CVE-2026-19304 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-2026-19304?
CVE-2026-19304 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-19304?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19304, 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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