CVE-2026-111662
CVE-2026-111662 · Chaskiq through 2.0.3 Unauthenticated SSRF via /oembed Endpoint
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Chaskiq through 2.0.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server fetch arbitrary URLs via the url parameter of the /oembed endpoint. Attackers can target loopback, private, or cloud-metadata addresses through FetchLinkCardService, which follows redirects and skips TLS verification, to read internal page titles and descriptions.
CVSS 6.9 · Medium · EPSS 0.4%
- Published
- Updated
Affected products and versions
chaskiq
- Versions
- ≥ 0, ≤ 2.0.3: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload
- https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/oembed_controller.rb#L8-L11
- https://github.com/chaskiq/chaskiq/blob/2.0.3/app/services/fetch_link_card_service.rb#L11-L40
- https://www.vulncheck.com/advisories/chaskiq-through-2.0.3-unauthenticated-ssrf-via-oembed-endpoint
- https://nvd.nist.gov/vuln/detail/CVE-2026-111662