CVE-2026-123784
7.8 HIGHpublic exploit availablePublished 2026-11-06 · Updated 2026-11-11
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-78
Public exploit & PoC references
All references
- https://github.com/fluxbox/fluxbox
- https://github.com/fluxbox/fluxbox/blob/Release-1_3_7/src/RootTheme.cc#L192-L264
- https://github.com/fluxbox/fluxbox/commit/270bfbc28573037c9b8458488d193b219e33889f
- https://github.com/fluxbox/fluxbox/pull/89
- https://www.vulncheck.com/advisories/fluxbox-through-1.3.7-os-command-injection-via-style-background-values
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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