SSRF in Hcengineering Platform
CVE-2026-91079
Huly Platform through 0.7.426 contains a server-side request forgery vulnerability in the print service due to missing hostname allowlist validation. Authenticated workspace members can supply arbitrary URLs to the print endpoint, which Puppeteer renders and returns as downloadable PDFs or images, enabling access to internal metadata services and network hosts.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/hcengineering/platform/issues/10908 (issue-tracking)
- github.com/hcengineering/platform (product)
- github.com/hcengineering/platform/blob/v0.7.426/services/print/pod-print/src/se… (technical-description)
- github.com/hcengineering/platform/blob/v0.7.426/services/print/pod-print/src/co… (technical-description)
- www.vulncheck.com/advisories/huly-platform-through-0.7.426-ssrf-via-print-servi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91079?
- CVE-2026-91079 is a high-severity vulnerability in Hcengineering Platform, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-09-14.
- How severe is CVE-2026-91079?
- High severity. CVSS v3 base score is 8.5 out of 10.