HIGHCVSS v3.1 7.8Vulnerability
CVE-2026-123784
Fluxbox through 1.3.7 contains an OS command injection vulnerability in RootTheme::reconfigTheme() that allows attackers to execute commands via crafted style background values. Attackers can embed shell metacharacters in background pixmap paths, random directories, or gradient texture text, which are concatenated unescaped into an fbsetbg command run via $SHELL -c when the style loads.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-07T06:40:34.987550+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.8
- Retrieved at
- 2026-11-07T06:41:39+00:00
- Score
- 7.8
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-123784
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-06T18:25:35+00:00
- Name
- CVE-2026-123784
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published at
- 2026-11-06T15:17:21.297
- Last modified
- 2026-11-06T15:17:21.297
Related Entities (1)
HAS_WEAKNESS (1)
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