CVE-2026-46607
Glances: Insecure Pickle Deserialization in Version Cache Leads to Arbitrary Code Execution
Description
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, glances/outdated.py uses pickle.load() to read a version-check cache file stored at a predictable, world-accessible path (~/.cache/glances/glances-version.db or $XDG_CACHE_HOME/glances/glances-version.db). No integrity check, signature verification, or format validation is performed before deserialization. An attacker with write access to that path — through any of several realistic local or container-level scenarios — can plant a malicious pickle file and achieve arbitrary code execution as the OS user running Glances the next time it starts with version checking enabled (the default). This vulnerability is fixed in 4.5.5.
INFO
Published Date :
June 25, 2026, 6:04 p.m.
Last Modified :
June 25, 2026, 6:04 p.m.
Remotely Exploit :
No
Source :
GitHub_M
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Glances to version 4.5.5 or later.
- Ensure cache files are protected from unauthorized write access.
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