SSRF in Rowboatlabs Rowboat
CVE-2026-86122
Rowboat through 0.9.1 fails to validate custom MCP server and webhook URLs, allowing authenticated users to configure arbitrary destinations. Attackers can point these URLs at internal services and cloud metadata endpoints to perform server-side request forgery and enumerate internal network topology.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/rowboatlabs/rowboat (product)
- github.com/rowboatlabs/rowboat/blob/v0.9.1/apps/rowboat/src/application/lib/age… (technical-description)
- github.com/rowboatlabs/rowboat/blob/v0.9.1/apps/rowboat/src/application/use-cas… (technical-description)
- github.com/rowboatlabs/rowboat/issues/621 (issue-tracking)
- www.vulncheck.com/advisories/rowboat-through-0.9.1-server-side-request-forgery-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-86122?
- CVE-2026-86122 is a medium-severity vulnerability in Rowboatlabs Rowboat, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-09-05.
- How severe is CVE-2026-86122?
- Medium severity. CVSS v3 base score is 5.0 out of 10.