CVE-2026-19305: ibm langflow oss Server-Side Request Forgery (SSRF)
CVSS: 8.6v3.1HighAnalyzed
Published 04-09-2026Last modified 04-09-2026
Vulnerability summary
CVE-2026-19305 is a high (CVSS 8.6) Server-Side Request Forgery (SSRF) vulnerability in ibm langflow oss. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.1% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-09-2026PublishedVulnerability first disclosed.
- 04-09-2026Last modifiedVulnerability information updated.
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to server-side request forgery.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NSources2 sources · 7.5–8.6
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
21-09-202621-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- langflow oss≥ 1.0.0, ≤ 1.11.2
Langflow1 product
- langflow≥ 1.0.0, < 1.11.3
2 vendors · 2 products