CVE-2026-101894: fallo crítico en kevva decompress
@xhmikosr/decompress: Path traversal via symlink chain
Publicada el
48Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 9.1epss 0.8%
de la publicación al arma1 días
Publicada en NVD28 sept
1ª PoC+1d
probabilidad de explotación
0.8%top 44% de las CVE
explotación observada
noninguna fuente lo reporta
1 exploit(s) público(s)
The decompress package for Node.js extracts archives. Prior to 10.2.2 and 11.1.4, the default decompress(input, output) API relies on lexical containment checks that do not account for the kernel following a planted symlink chain. An attacker can supply a crafted archive containing chained symlink entries so that a later entry resolves outside the output directory. This allows files outside output to be read or written, and overwriting startup scripts or configuration can lead to remote code execution. The maintained @xhmikosr/decompress package is fixed in 10.2.2 and 11.1.4, but the separately affected unmaintained decompress package remains unpatched through 4.2.1. This vulnerability results from a bypass of the incomplete hardening for CVE-2026-53486. @xhmikosr/decompress is fixed in versions 10.2.2 and 11.1.4.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
PoCs públicas encontradas — 1
githubgithub.com/murrez/CVE-2026-101894★ 0⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
CVEs relacionadas — kevva decompress
En el mismo producto, de las más peligrosas a las menos.
Referencias
https://github.com/XhmikosR/decompress/commit/5f4b2f64abb31bbaf1fef8975b595fd7df2558d8https://github.com/XhmikosR/decompress/commit/f6c88c668216d6a12c6cecf4fe0b6c70bf77050ahttps://github.com/XhmikosR/decompress/releases/tag/v10.2.2https://github.com/XhmikosR/decompress/releases/tag/v11.1.4https://github.com/XhmikosR/decompress/security/advisories/GHSA-hrh2-vp3x-79xf