CVE-2026-29858: A lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file inclusion (LFI), leading

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HIGH 7.5REMOTEDOWNGRADE

CVE-2026-29858 is a high-severity flaw (CVSS 7.5) affecting aapanel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file inclusion (LFI), leadingot sensitive information exposure.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-98
Published	2026-03-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aapanel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-18 18:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

aapanel aapanel DOWNGRADE

Affected: 7.57.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.57.0

1. Check installed version

apt-cache policy aapanel || rpm -q aapanel || aapanel --version

2. No fixed release: DOWNGRADE to a release before 7.57.0 (Debian / Ubuntu)

apt-cache madison aapanel sudo apt install aapanel=<VERSION_BEFORE_7.57.0> sudo apt-mark hold aapanel

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list aapanel sudo dnf downgrade aapanel-<VERSION_BEFORE_7.57.0> sudo dnf versionlock add aapanel

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-29858?

aapanel: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-29858 being exploited?

CVE-2026-29858 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-29858 affect?

CVE-2026-29858 affects aapanel. Severity is high (CVSS 7.5). A lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file inclusion (LFI), leadingot sensitive information exposure.

How urgent is CVE-2026-29858?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-29859 CRITICAL 9.8 DOWNGRADE An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploa
CVE-2026-29856 HIGH 7.5 DOWNGRADE An issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cau
CVE-2024-42922 MEDIUM 6.5 UPGRADE AAPanel v7.0.7 was discovered to contain an OS command injection vulnerability.

References

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