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CVE-2026-55543Published

TuxGuitar: Arbitrary Code Execution via maliciously crafted `.tg` file

Exact source revision recorded 28 Oct 2026 19:46:48 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-55543

Published

TuxGuitar is an open-source guitar tablature editor. Prior to 2.1.0, an untrusted .tg file can set gervil.soundbank.path to reference an on-disk archive, including the .tg file itself, whose META-INF/services/javax.sound.midi.Soundbank entry names an attacker-supplied class stored in that archive. When a user opens the file, JARSoundbankReader uses an unverified class loader to load and instantiate that class, executing its constructor with the privileges of the TuxGuitar process. This issue is fixed in version 2.1.0.

Source published
16 Oct 2026 15:28:14 UTC
Source modified
28 Oct 2026 18:26:15 UTC
Observed here
28 Oct 2026 19:46:48 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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Sources read 7 Nov 10:00 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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