CVE-2026-41526: CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences in KDE KCoreAddons
CVE-2026-41526 is a medium severity vulnerability in KDE KCoreAddons before version 6.25. The vulnerability arises from the KShell::quoteArgs function, which fails to properly neutralize shell metacharacters, allowing escape from the intended shell environment. This affects all applications using this function in security-critical contexts, particularly via the sendInput() function that can be exploited by injecting control characters such as \x01. No official patch or remediation guidance is currently available, and no known exploits have been reported in the wild.
AI Analysis
Technical Summary
This vulnerability in KDE KCoreAddons involves improper neutralization of escape, meta, or control sequences (CWE-150) in the KShell::quoteArgs function. The function is intended to safely quote shell command arguments but does not correctly handle certain metacharacters, enabling potential escape from the shell environment. The flaw specifically impacts the sendInput() function, which can be exploited by injecting control characters like \x01. The vulnerability affects all applications relying on this method in security-sensitive contexts. There is no official patch or remediation guidance available at this time.
Potential Impact
Successful exploitation could allow an attacker to escape the shell environment in applications using the vulnerable function, potentially leading to unauthorized command execution or other impacts on confidentiality and integrity. The CVSS score of 6.5 reflects a medium severity with high impact on confidentiality and integrity, but low impact on availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available for this vulnerability. Users and administrators should monitor KDE advisories for updates. Until a fix is released, avoid using the vulnerable function in security-critical contexts or apply application-level input validation to mitigate injection of control characters where possible.
CVE-2026-41526: CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences in KDE KCoreAddons
Description
CVE-2026-41526 is a medium severity vulnerability in KDE KCoreAddons before version 6.25. The vulnerability arises from the KShell::quoteArgs function, which fails to properly neutralize shell metacharacters, allowing escape from the intended shell environment. This affects all applications using this function in security-critical contexts, particularly via the sendInput() function that can be exploited by injecting control characters such as \x01. No official patch or remediation guidance is currently available, and no known exploits have been reported in the wild.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in KDE KCoreAddons involves improper neutralization of escape, meta, or control sequences (CWE-150) in the KShell::quoteArgs function. The function is intended to safely quote shell command arguments but does not correctly handle certain metacharacters, enabling potential escape from the shell environment. The flaw specifically impacts the sendInput() function, which can be exploited by injecting control characters like \x01. The vulnerability affects all applications relying on this method in security-sensitive contexts. There is no official patch or remediation guidance available at this time.
Potential Impact
Successful exploitation could allow an attacker to escape the shell environment in applications using the vulnerable function, potentially leading to unauthorized command execution or other impacts on confidentiality and integrity. The CVSS score of 6.5 reflects a medium severity with high impact on confidentiality and integrity, but low impact on availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available for this vulnerability. Users and administrators should monitor KDE advisories for updates. Until a fix is released, avoid using the vulnerable function in security-critical contexts or apply application-level input validation to mitigate injection of control characters where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-20T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f0602fcbff5d8610cfd2c4
Added to database: 4/28/2026, 7:22:23 AM
Last enriched: 6/3/2026, 9:18:23 PM
Last updated: 6/12/2026, 11:38:32 AM
Views: 74
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