How severe is CVE-2026-29859?

CVE-2026-29859 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-29859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29859?

CVE-2026-29859 affects Aapanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-29859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-29859 have an EU (EUVD) identifier?

Yes. CVE-2026-29859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12921.

When was CVE-2026-29859 published?

CVE-2026-29859 was published on 2026-03-18 and last updated on 2026-06-17.

CVE-2026-29859

CVE-2026-29859 is a critical-severity vulnerability in Aapanel with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12921
Weakness: CWE-79
Affected product: Aapanel
Published: 2026-03-18
Last modified: 2026-06-17

Description

An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.

Frequently asked questions

What is CVE-2026-29859?: An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.
How severe is CVE-2026-29859?: CVE-2026-29859 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-29859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29859?: CVE-2026-29859 affects Aapanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-29859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-29859 have an EU (EUVD) identifier?: Yes. CVE-2026-29859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12921.
When was CVE-2026-29859 published?: CVE-2026-29859 was published on 2026-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aapanel:aapanel:7.57.0:*:*:*:*:*:*:*

More vulnerabilities in Aapanel

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CVE-2024-42922 — Medium (CVSS 6.5): AAPanel v7.0.7 was discovered to contain an OS command injection vulnerability.

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