CVE-2026-108719

MEDIUM 5.0

LLMGateway through 1.20.0 Blind SSRF via Video-Generation callback_url

CVSS Score

5.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	theopenco
Product	llmgateway
Published	Oct 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

theopenco / LLMGateway

0 ≤ 1.20.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackmd.io: https://hackmd.io/@haind03/theopenco-llmgateway-video-callback-ssrf-no-egress-guard github.com: https://github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/apps/gateway/src/videos/videos.ts#L374-L383 github.com: https://github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/apps/worker/src/services/video-jobs.ts#L2490-L2499 github.com: https://github.com/theopenco/llmgateway/blob/c84ba987da18edd80358a3450ccaea75c5c67ca8/apps/worker/src/worker.ts#L2961-L2971 github.com: https://github.com/theopenco/llmgateway vulncheck.com: https://www.vulncheck.com/advisories/llmgateway-through-1.20.0-blind-ssrf-via-video-generation-callback-url

Credits

HaiND from the Post and Telecommunication Institute of Technology