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CVE-2026-7873

Critical9.9

Langflow OSS: Code Injection Vulnerability in Code Validation Endpointtitle from the CVE record

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated attackers to execute arbitrary OS commands and read sensitive files including credentials, enabling complete system compromise and lateral movement.

CVSS
9.9v3.1
EPSS (exploit probability)
1.1%65th pct
CISA KEV
Not listed

EPSS trendFIRST daily scores, last 90 days

FIRST EPSS rose from 0.5% on 2026-09-22 to 1.1% on 2026-10-23, ranging 0.5%–1.1% across 31 daily scores.
2026-09-22 → 2026-10-23 · 31 days · 0.5%–1.1%
Daily values
FIRST EPSS daily scores for this CVE
Score dateEPSSPercentile
2026-10-231.1%64.6%
2026-10-221.1%64.6%
2026-10-211.1%64.6%
2026-10-201.1%64.4%
2026-10-191.1%64.4%
2026-10-181.1%64.3%
2026-10-171.1%64.3%
2026-10-161.1%64.3%
2026-10-151.1%64.3%
2026-10-141.1%64.2%
2026-10-131.1%64.0%
2026-10-121.1%64.0%
2026-10-111.1%63.9%
2026-10-101.1%63.9%
2026-10-091.1%63.9%
2026-10-080.5%43.0%
2026-10-070.5%43.0%
2026-10-060.5%42.9%
2026-10-050.5%42.8%
2026-10-040.5%42.8%
2026-10-030.5%42.8%
2026-10-020.5%42.7%
2026-10-010.5%42.7%
2026-09-300.5%42.6%
2026-09-290.5%42.5%
2026-09-270.5%42.5%
2026-09-260.5%42.5%
2026-09-250.5%42.4%
2026-09-240.5%42.3%
2026-09-230.5%43.8%
2026-09-220.5%43.7%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Learn

Why it happened and what stops it

The weakness (CWE)

How attackers use it (ATT&CK)

Typical for this kind of weakness across CISA KEV exploits (CTID), not specific to this CVE.

Controls that mitigate it (NIST SP 800-53)

Affected products

  • langflow langflow

Coverage1 article

References

Facts sourced from NVD, FIRST EPSS, and CISA KEV. Last synced 2026-10-23 17:42 UTC.

  • CVSS & description: NVD 2.0, fetched 2026-10-23 16:42 UTC
  • EPSS: FIRST EPSS, fetched 2026-10-23 17:42 UTC; score date 2026-10-23
  • KEV: CISA KEV, fetched 2026-10-23 17:42 UTC