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CVE-2026-118688: bytecodealliance wasmtime: wasmtime-wasi in Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 re-appends a trailing slash to…

🗓️ 28 Oct 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Symlink following in Wasmtime wasmtime-wasi allows a guest to move host directories.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-118688
28 Oct 202619:25
–circl
cve
CVE
CVE-2026-118688
28 Oct 202618:59
–cve
cvelist
Cvelist
CVE-2026-118688 Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 Sandbox Escape via Symlink Rename
28 Oct 202618:59
–cvelist
debiancve
Debian CVE
CVE-2026-118688
28 Oct 202622:47
–debiancve
euvd
EUVD
EUVD-2026-112393
28 Oct 202618:59
–euvd
mend
Mend
CVE-2026-118688
28 Oct 202618:59
–mend
nvd
NVD
CVE-2026-118688
28 Oct 202619:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-118688
28 Oct 202619:17
–osv_debian
osv_rustsec
osv_rustsec
RUSTSEC-2026-0352 Filesystem sandbox escape when renaming symlinks with trailing slashes
14 Oct 202612:00
–osv_rustsec
ptsecurity
Positive Technologies
PT-2026-129161
28 Oct 202600:00
–ptsecurity
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28 Oct 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.9
CVSS 48.8
EPSS0.00242
2