# CVE-2026-121581: ArcReel Provider Test-Connection Endpoint test server-side request forgery

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / ArcReel: 0.32.0 (affected); 0.33.0 (affected); 0.34.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 4.3 (medium); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CVSS 4.0: 2.1 (low); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@vuldb.com

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N; source: NVD: cna@vuldb.com

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:P/I:N/A:N; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-918

## Exploit evidence

- exploit: https://github.com/waterhunter2000-svg/vulnerability-reports/blob/main/06-arcreel-provider-test-ssrf.md (CNA: VulDB)

## References

- https://vuldb.com/vuln/430416 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/430416/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-121581 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1019997 (CNA: VulDB; third-party-advisory)

- https://github.com/waterhunter2000-svg/vulnerability-reports (CNA: VulDB; related)

- https://github.com/ArcReel/ArcReel/security/advisories/GHSA-hrr6-72vw-wgx5 (CNA: VulDB; broken-link)

- https://github.com/waterhunter2000-svg/vulnerability-reports/blob/main/06-arcreel-provider-test-ssrf.md (CNA: VulDB; exploit)

- https://github.com/ArcReel/ArcReel/ (CNA: VulDB; product)

- https://github.com/ArcReel/ArcReel/ (cna@vuldb.com)

- https://github.com/ArcReel/ArcReel/security/advisories/GHSA-hrr6-72vw-wgx5 (cna@vuldb.com)

- https://github.com/waterhunter2000-svg/vulnerability-reports (cna@vuldb.com)

- https://github.com/waterhunter2000-svg/vulnerability-reports/blob/main/06-arcreel-provider-test-ssrf.md (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-121581 (cna@vuldb.com)

- https://vuldb.com/submit/1019997 (cna@vuldb.com)

- https://vuldb.com/vuln/430416 (cna@vuldb.com)

- https://vuldb.com/vuln/430416/cti (cna@vuldb.com)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-121581; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-121581; retrieved 2026-11-04; source updated 2026-11-03

Revision: a4c5a092df87b55bce5a0c5b46e3889af7b3662123d137c67052826b8d04d87c

Canonical: https://y2.dev/cve/CVE-2026-121581

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