SSRF in Theopenco Llmgateway
CVE-2026-108719
LLMGateway through 1.20.0 contains a blind server-side request forgery vulnerability that allows API key holders to reach internal hosts via the video-generation callback_url extension. Attackers can supply loopback, private, or cloud-metadata URLs that deliverWebhook POSTs to without the assertSafeWebhookTarget check, reaching internal services from the worker's network.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published .
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:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind03/theopenco-llmgateway-video-callback-ssrf-no-egress-guard (third-party-advisory)
- github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/a… (technical-description)
- github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/a… (technical-description)
- github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/a… (technical-description)
- github.com/theopenco/llmgateway (product)
- www.vulncheck.com/advisories/llmgateway-through-1.20.0-blind-ssrf-via-video-gen… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108719?
- CVE-2026-108719 is a medium-severity vulnerability in Theopenco Llmgateway, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-10-11.
- How severe is CVE-2026-108719?
- Medium severity. CVSS v3 base score is 5.0 out of 10.