Vulnerability RUSTSEC-2026-0188
Medium Risk
MEDIUM RISK
CVSS Score: 6.5
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
3 months ago
June 24, 2026 at 12:00 PM UTC
WASI hard links and renames bypass wasmtime-wasi's FilePerms for destination
0.2.0 - 24.0.10
0.2.0 - 24.0.10
Summary
WASI hard links and renames bypass wasmtime-wasi's FilePerms for destination
Details
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4ch3-9j33-3pmj For more information see the GitHub-hosted security advisory.
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Medium Risk
10 days ago
WASI preview 0 implementation of `poll_oneoff` circumvents fuel consumption
0.2.0 - 36.0.16 RUSTSEC-2026-0321
0.2.0 - 36.0.16 RUSTSEC-2026-0321
Unknown
10 days ago
Excessive allocated memory on the host when guests don't have stdio
0.2.0 - 36.0.16 RUSTSEC-2026-0322
0.2.0 - 36.0.16 RUSTSEC-2026-0322
Unknown
10 days ago
fd_readdir copies uninitialized struct padding into guest memory
0.2.0 - 36.0.16 RUSTSEC-2026-0323
0.2.0 - 36.0.16 RUSTSEC-2026-0323
Medium Risk
10 days ago
Guest can panic host through filesystem timestamp before the epoch on wasip3
46.0.0 - 48.0.3 RUSTSEC-2026-0324
46.0.0 - 48.0.3 RUSTSEC-2026-0324
Medium Risk
18 days ago
Guest can panic host through filesystem datetime overflow
0.2.0 - 36.0.15 RUSTSEC-2026-0314
0.2.0 - 36.0.15 RUSTSEC-2026-0314
Impacted packages
Timeline
Published
3 months ago
June 24, 2026 at 12:00 PM UTC
Fixed (24.0.11)
3 months ago
June 24, 2026 at 06:11 PM UTC
Fixed (46.0.1)
3 months ago
June 24, 2026 at 06:47 PM UTC
Fixed (45.0.3)
3 months ago
June 24, 2026 at 07:10 PM UTC
Fixed (36.0.12)
3 months ago
June 24, 2026 at 07:37 PM UTC
Last Modified
1 hour ago
October 12, 2026 at 06:00 PM UTC