A vulnerability was found in aaPanel 7.57.0 . It has been declared as problematic . This impacts an unknown function. Such manipulation leads to inefficient regular expression complexity. This vulnerability is uniquely identified as CVE-2026-29856 . The attack can be launched remotely. No exploit exists.
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✦ AI Summary· Claude Sonnet
VDB-351603 · CVE-2026-29856 · GCVE-0-2026-29856
AAPANEL 7.57.0 REDOS
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.2 $0-$5k 1.05+
Summaryinfo
A vulnerability was found in aaPanel 7.57.0. It has been rated as problematic. Affected is an unknown function. Performing a manipulation results in redos. This vulnerability was named CVE-2026-29856. The attack may be initiated remotely. There is no available exploit.
Detailsinfo
A vulnerability classified as problematic has been found in aaPanel 7.57.0. This affects an unknown function. The manipulation with an unknown input leads to a redos vulnerability. CWE is classifying the issue as CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. This is going to have an impact on availability. The summary by CVE is:
An issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cause a Regular Expression Denial of Service (ReDoS) via a crafted input.
This vulnerability is uniquely identified as CVE-2026-29856 since 03/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1449.003 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Productinfo
Name
aaPanel
Version
7.57.0
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
Timelineinfo
03/04/2026 CVE reserved
03/18/2026 +14 days Advisory disclosed
03/18/2026 +0 days VulDB entry created
03/18/2026 +0 days VulDB entry last update
Sourcesinfo
Status: Not defined
CVE: CVE-2026-29856 (🔒)
GCVE (CVE): GCVE-0-2026-29856
GCVE (VulDB): GCVE-100-351603
Entryinfo
Created: 03/18/2026 20:03
Changes: 03/18/2026 20:03 (50)
Complete: 🔍
Cache ID: 99:591:101
Discussion
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