CVE-2026-47128: CWE-863: Incorrect Authorization in always-further nono
The nono software before version 0.55.0 contains an authorization vulnerability in its sandboxing policies. Specifically, its Landlock/seccomp policies allow access to local Unix domain sockets, enabling sandbox escape by interacting with the per-user systemd dbus socket. This issue is fixed in version 0.55.0.
AI Analysis
Technical Summary
CVE-2026-47128 describes an incorrect authorization vulnerability (CWE-863) in the always-further nono software. Prior to version 0.55.0, the Landlock and seccomp sandboxing policies implemented by nono permit access to local Unix domain sockets, including concrete and abstract sockets. This flaw allows an attacker to escape the sandbox environment by communicating with the per-user systemd dbus socket. The vulnerability is resolved in version 0.55.0 by restricting such access.
Potential Impact
An attacker with low privileges and no user interaction can exploit this vulnerability locally to escalate their privileges or escape the sandbox, potentially leading to unauthorized actions within the host environment. The confidentiality is not impacted, but integrity is high and availability impact is low according to the CVSS vector.
Mitigation Recommendations
Upgrade nono to version 0.55.0 or later, where the issue is patched. No other mitigation guidance is provided or required as the fix addresses the root cause.
CVE-2026-47128: CWE-863: Incorrect Authorization in always-further nono
Description
The nono software before version 0.55.0 contains an authorization vulnerability in its sandboxing policies. Specifically, its Landlock/seccomp policies allow access to local Unix domain sockets, enabling sandbox escape by interacting with the per-user systemd dbus socket. This issue is fixed in version 0.55.0.
CVSS v3.1
Score 6.1medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-47128 describes an incorrect authorization vulnerability (CWE-863) in the always-further nono software. Prior to version 0.55.0, the Landlock and seccomp sandboxing policies implemented by nono permit access to local Unix domain sockets, including concrete and abstract sockets. This flaw allows an attacker to escape the sandbox environment by communicating with the per-user systemd dbus socket. The vulnerability is resolved in version 0.55.0 by restricting such access.
Potential Impact
An attacker with low privileges and no user interaction can exploit this vulnerability locally to escalate their privileges or escape the sandbox, potentially leading to unauthorized actions within the host environment. The confidentiality is not impacted, but integrity is high and availability impact is low according to the CVSS vector.
Mitigation Recommendations
Upgrade nono to version 0.55.0 or later, where the issue is patched. No other mitigation guidance is provided or required as the fix addresses the root cause.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-18T19:50:18.695Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5e99c12a4a8d5989cede37
Added to database: 07/20/2026, 21:57:21 UTC
Last enriched: 07/20/2026, 22:12:01 UTC
Last updated: 07/21/2026, 05:25:32 UTC
Views: 11
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