SSRF in Arcreel
CVE-2026-121581
A vulnerability has been found in ArcReel 0.32.0/0.33.0/0.34.0. The impacted element is an unknown function of the file /api/v1/providers/{id}/test of the component Provider Test-Connection Endpoint. The manipulation leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
- Arcreel — versions 0.32.0, 0.33.0, 0.34.0
Weakness classification (CWE)
References
- vuldb.com/vuln/430416 (vdb-entry)
- vuldb.com/vuln/430416/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121581 (third-party-advisory)
- vuldb.com/submit/1019997 (third-party-advisory)
- github.com/waterhunter2000-svg/vulnerability-reports (related)
- github.com/ArcReel/ArcReel/security/advisories/GHSA-hrr6-72vw-wgx5 (broken-link)
- github.com/waterhunter2000-svg/vulnerability-reports/blob/main/06-arcreel-provi… (exploit)
- github.com/ArcReel/ArcReel/ (product)
Frequently asked questions
- What is CVE-2026-121581?
- CVE-2026-121581 is a medium-severity vulnerability in Arcreel, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-11-03.
- How severe is CVE-2026-121581?
- Medium severity. CVSS v3 base score is 4.3 out of 10.