by Kastro
Paper/Archive/CVE-2026-111663

CVE-2026-111663

chaskiq chaskiq — Chaskiq through 2.0.3 SSRF via createUrlUpload GraphQL Mutation

EPSS 0.4%public exploitCVSS 9.2
critical.is priorityof 100
44
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 31.3.313 × 206.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

Chaskiq through 2.0.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to fetch arbitrary URLs via the createUrlUpload GraphQL mutation. Attackers can submit internal URLs, including cloud instance metadata endpoints, through POST /graphql and retrieve the full response via the returned ActiveStorage blob URL.

Affected

ProductAffectedFixed inSource
chaskiq≤ 2.0.3–CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
VulnCheck (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

exploithackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-uploadwriteupgithub.com/chaskiq/chaskiq/blob/2.0.3/app/graphql/mutations/create_url_upload.rb#L29-L66writeupgithub.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/graphql_controller.rb#L3-L33writeupvulncheck.com/advisories/chaskiq-through-2.0.3-ssrf-via-createurlupload-graphql-mutation