CVE-2026-113507: Access Control Flaw (CVSS 5.3)

Description

A vulnerability was found in aaPanel up to 8.25.0. The impacted element is the function GetClientIp of the file class/public/common.py. The manipulation of the argument X-Real-Ip results in improper access controls. The attack may be performed from remote. The exploit has been made public and could be used. The vendor confirms: "The reported X-Real-Ip IP-bypass vulnerability has already been fixed".

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0047

Probability of exploitation

0.41%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-266 CWE-266

CWE-284 CWE-284

References

Other References

https://github.com/JdExploit/aapanel-cve-2026/tree/master/aapanel-xrealip https://vuldb.com/cve/CVE-2026-113507 https://vuldb.com/submit/996821 https://vuldb.com/vuln/422749 https://vuldb.com/vuln/422749/cti

Frequently Asked Questions

What is CVE-2026-113507? +

A vulnerability was found in aaPanel up to 8.25.0. The impacted element is the function GetClientIp of the file class/public/common.py. The manipulation of the argument X-Real-Ip results in improper access controls. The attack may be performed from remote. The exploit has been made public and could be used. The vendor confirms: "The reported X-Real-Ip IP-bypass vulnerability has already been fixed". It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-113507? +

CVE-2026-113507 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0047, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-113507? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-113507