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PatchSiren cyber security CVE debrief

CVE-2026-113507 aaPanel CVE debrief

A vulnerability was found in aaPanel up to 8.25.0 in the function GetClientIp of the file class/public/common.py, resulting from improper access controls. The attack may be performed remotely. The vendor confirms the vulnerability has been fixed. Defenders should verify exposure and assess potential impact on remote access mechanisms and authentication systems. This vulnerability allows remote attackers to bypass IP restrictions due to insufficient access controls in the GetClientIp function.

Vendor
aaPanel
Product
aaPanel
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-23
Advisory published
2026-10-20
Advisory updated
2026-10-23

Who should care

Defenders responsible for aaPanel installations, remote access, and authentication mechanisms should assess exposure and potential impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify exposure, assess impact, and prioritize remediation based on business criticality and verified exposure. They should also review and update access controls for the GetClientIp function to prevent IP-bp

Why it matters

CVE-2026-113507 is a medium-severity vulnerability in aaPanel's GetClientIp function, allowing remote attacks due to improper access controls. Defenders should verify exposure, assess impact, and prioritize remediation.

  • Verify exposure and potential impact on remote access mechanisms
  • Assess and update access controls for GetClientIp function
  • Prioritize remediation based on verified exposure and business criticality

Technical summary

The GetClientIp function in aaPanel's common.py file is vulnerable to improper access controls, allowing remote attacks. The vendor confirms the issue has been fixed. This vulnerability is caused by inadequate validation of the X-Real-Ip argument, leading to potential IP bypassing. Defenders should focus on verifying exposure, assessing impact, and prioritizing remediation based on business criticality and verified exposure. The CVE record and source item provide details on the vulnerability in aaPanel's GetClientIp function.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on remote access and authentication mechanisms.

Recommended defensive actions

  • Verify aaPanel version and exposure
  • Assess remote access and authentication mechanisms
  • Review and update access controls for GetClientIp function
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the vulnerability in aaPanel's GetClientIp function. However, the corpus does not establish versions beyond 8.25.0, exploitation, or specific impact, requiring verification from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113507 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113507

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-113507 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113507

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • aaPanel common.py GetClientIp access control

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113507.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/422749

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/422749/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-113507

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/996821

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/JdExploit/aapanel-cve-2026/tree/master/aapanel-xrealip

    Supplemental source - exploit

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.