# CVE-2026-124556: kekingcn kkFileView BaseUrlFilter.java BaseUrlFilter.getBaseUrl redirect

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

A security vulnerability has been detected in kekingcn kkFileView up to 5.0.3. This issue affects the function BaseUrlFilter.getBaseUrl of the file server/src/main/java/cn/keking/web/filter/BaseUrlFilter.java. The manipulation of the argument X-Base-Url leads to open redirect. The attack is possible to be carried out remotely. The exploit has been disclosed publicly 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

- kekingcn / kkFileView: 5.0.0 (affected); 5.0.1 (affected); 5.0.2 (affected); 5.0.3 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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:N/UI:R/S:U/C:N/I:L/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:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 5 (medium); AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-601

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/432888 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/432888/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-124556 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1035489 (CNA: VulDB; third-party-advisory)

- https://github.com/kekingcn/kkFileView/security/advisories/GHSA-wrm9-r4fj-f8q5 (CNA: VulDB; broken-link)

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

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-124556; retrieved 2026-11-09; source updated 2026-11-09

Revision: c48b7ab07f910626ec5eca581e42b8063b472efe9cea1a73aa75bbee84eca8c7

Canonical: https://y2.dev/cve/CVE-2026-124556

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