The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade RHEL:10 rust to version 0:1.94.1-1.2.hum1 or higher.
This issue was patched in RHSA-2026:7288.
Note: Versions mentioned in the description apply only to the upstream rust package and not the rust package as distributed by RHEL.
See How to fix? for RHEL:10 relevant fixed versions and status.
Starting from Rust 1.87.0 and before Rust 1.89.0, the tier 3 Cygwin target (x86_64-pc-cygwin) didn't correctly handle path separators, causing the standard library's Path API to ignore path components separated by backslashes. Due to this, programs compiled for Cygwin that validate paths could misbehave, potentially allowing path traversal attacks or malicious filesystem operations.
Rust 1.89.0 fixes the issue by handling both Win32 and Unix style paths in the standard library for the Cygwin target.
While we assess the severity of this vulnerability as "medium", please note that the tier 3 Cygwin compilation target is only available when building it from source: no pre-built binaries are distributed by the Rust project, and it cannot be installed through Rustup. Unless you manually compiled the x86_64-pc-cygwin target you are not affected by this vulnerability. Users of the tier 1 MinGW target (x86_64-pc-windows-gnu) are also explicitly not affected.