CVE-2026-111662
mediumChaskiq through 2.0.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server fetch arbitrary URLs via th…
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:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/oembed_controller.rb#L8-L11 disclosure@vulncheck.com
- https://github.com/chaskiq/chaskiq/blob/2.0.3/app/services/fetch_link_card_service.rb#L11-... disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/chaskiq-through-2.0.3-unauthenticated-ssrf-via-oembed... disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload 134c704f-9b21-4f2e-91b3-4a467353bcc0