High severity · published Oct 26, 2026
CVE-2026-115908
zip: Arbitrary file write outside the extraction directory, because ZipArchive::extract validates symlink targets lexically. (The defense against CVE-2025-29787 was broken in v7.2.0)
New
7.4
CVSS
0.4%
EPSS
No
On KEV
Description
zip is a zip library for Rust that supports reading and writing simple ZIP files. From 7.2.0 until 9.0.0, ZipArchive::extract and ZipArchive::extract_unwrapped_root_dir use safe_prepare_path in src/read/zipfile.rs and simplified_components in src/path.rs to validate symbolic link targets with a lexical prefix comparison rather than resolving each intermediate link. An attacker who knows or can guess the absolute extraction destination can create a chain whose apparent target remains under the destination while an intermediate symlink resolves outside it, allowing attacker-controlled files to be created or overwritten with the extracting process's privileges. On Windows, discarded drive and UNC prefixes can permit a single-link escape when the process has SeCreateSymbolicLinkPrivilege, such as through administrator rights or Developer Mode. This regression is distinct from CVE-2025-29787. This issue is fixed in version 9.0.0.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZI
zip2 · zip-rs
>= 7.2.0, < 9.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115908
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115908
github.com
https://github.com/zip-rs/zip2/commit/09c030eab56e8db8fb3c1c33f554407b30bad8fa
github.com
https://github.com/zip-rs/zip2/releases/tag/v9.0.0
github.com
https://github.com/zip-rs/zip2/security/advisories/GHSA-hjqx-j4rw-g7xv
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