CVE-2026-19301

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% 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
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: 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 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
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-2026-19301(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 15× in last 7d / 47× 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 12:30 UTCEG score recompute
  2. 2026-09-20 12:30 UTCGHSA enrichment
  3. 2026-09-19 13:12 UTCEG score recompute
  4. 2026-09-19 13:12 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 14:17 UTCEG score recompute
  7. 2026-09-18 14:17 UTCGHSA enrichment
  8. 2026-09-17 15:10 UTCGHSA enrichment
  9. 2026-09-16 16:15 UTCEG score recompute
  10. 2026-09-16 16:15 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 05:14 UTCEPSS rescore
  13. 2026-09-15 17:17 UTCEG score recompute
  14. 2026-09-15 17:17 UTCGHSA enrichment
  15. 2026-09-14 18:22 UTCGHSA enrichment
  16. 2026-09-13 19:02 UTCEG score recompute
  17. 2026-09-13 19:02 UTCGHSA enrichment
  18. 2026-09-13 16:46 UTCEPSS rescore
  19. 2026-09-12 20:07 UTCEG score recompute
  20. 2026-09-12 20:07 UTCGHSA enrichment
  21. 2026-09-12 15:00 UTCEPSS rescore
  22. 2026-09-11 21:12 UTCEG score recompute
  23. 2026-09-11 21:12 UTCGHSA enrichment
  24. 2026-09-11 14:52 UTCEPSS rescore
  25. 2026-09-11 09:36 UTCEPSS rescore
Show 22 more
  1. 2026-09-10 22:17 UTCEG score recompute
  2. 2026-09-10 22:17 UTCGHSA enrichment
  3. 2026-09-10 09:34 UTCEPSS rescore
  4. 2026-09-09 23:22 UTCGHSA enrichment
  5. 2026-09-08 22:35 UTCEG score recompute▲ 1.50
  6. 2026-09-08 22:35 UTCGHSA enrichment
  7. 2026-09-08 22:23 UTCNVD updateCVSS v3 → 6.5
  8. 2026-09-08 22:00 UTCEPSS rescore
  9. 2026-09-08 15:15 UTCEG score recompute
  10. 2026-09-08 15:15 UTCGHSA enrichment
  11. 2026-09-07 16:01 UTCEPSS rescore
  12. 2026-09-07 15:26 UTCGHSA enrichment
  13. 2026-09-06 16:32 UTCEG score recompute
  14. 2026-09-06 16:32 UTCGHSA enrichment
  15. 2026-09-06 13:47 UTCEPSS rescore
  16. 2026-09-05 17:36 UTCEG score recompute
  17. 2026-09-05 17:36 UTCGHSA enrichment
  18. 2026-09-04 18:40 UTCEG score recompute
  19. 2026-09-04 18:39 UTCGHSA enrichment
  20. 2026-09-04 17:35 UTCEG score recompute
  21. 2026-09-04 16:19 UTCEG score recompute
  22. 2026-09-04 16:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19301?
CVE-2026-19301 is a medium 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 due to server-side request forgery.
When was CVE-2026-19301 disclosed?
CVE-2026-19301 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-2026-19301 actively exploited?
CVE-2026-19301 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 78.6% of all scored CVEs.
What is the CVSS score of CVE-2026-19301?
CVE-2026-19301 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-19301?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19301, 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

Explore the affected products and dependency analysis for CVE-2026-19301

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