BusyBox Archive Extraction file inclusion

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in BusyBox. Impacted is an unknown function of the component Archive Extraction Handler. Executing a manipulation can lead to file inclusion. This vulnerability is tracked as CVE-2026-26157. The attack can be launched remotely. Moreover, an exploit is present. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in BusyBox (affected version not known). This vulnerability affects some unknown functionality of the component Archive Extraction Handler. The manipulation with an unknown input leads to a file inclusion vulnerability. The CWE definition for the vulnerability is CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in BusyBox. Incomplete path sanitization in its archive extraction utilities allows an attacker to craft malicious archives that when extracted, and under specific conditions, may write to files outside the intended directory. This can lead to arbitrary file overwrite, potentially enabling code execution through the modification of sensitive system files.

The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2026-26157 since 02/11/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 298800 (Linux Distros Unpatched Vulnerability : CVE-2026-26157), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.busybox.net.

The vulnerability is also documented in the databases at Exploit-DB (52538) and Tenable (298800). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.0
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.0
CNA Vector (redhat): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: File inclusion
CWE: CWE-73
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 298800
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-26157

Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: git.busybox.net

Timelineinfo

02/11/2026 Advisory disclosed
02/11/2026 +0 days CVE reserved
02/11/2026 +0 days VulDB entry created
05/06/2026 +83 days VulDB entry last update

Sourcesinfo

Advisory: access.redhat.com
Status: Confirmed

CVE: CVE-2026-26157 (🔒)
GCVE (CVE): GCVE-0-2026-26157
GCVE (VulDB): GCVE-100-345592
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2026 22:36
Updated: 05/06/2026 00:10
Changes: 02/11/2026 22:36 (61), 02/12/2026 21:34 (2), 05/01/2026 18:50 (11), 05/06/2026 00:10 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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