Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
IBM Langflow OSS — Path Traversal Vulnerability in File Component Leading to Arbitrary File Read and Authentication Bypass
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U H H N 8.1 .0036 29.5 —
AFFECTED
Product Versions Fixed
Langflow OSS 1.0.0 – —
TIMELINE
May 5 Reserved by ibm
Jul 17 Published (CNA: ibm)
Jul 20 RESCORED — CVE-2026-7872 (IBM Langflow OSS). CVSS 7.5 → 8.1 (NVD).
Description
IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| May 5, 2026 | Reserved | Reserved by ibm |
| July 17, 2026 | Published | Published (CNA: ibm) |
| July 20, 2026 | RESCORED | RESCORED — CVE-2026-7872 (IBM Langflow OSS). CVSS 7.5 → 8.1 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| IBM | Langflow OSS | — | 1.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-7872 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.