CVE-2026-115387
Last modified
CVE-2026-115387 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 contains a denial of service vulnerability in wasmtime-wasi that allows guest WASI programs to panic the host via overflowing filesystem timestamps. Attackers can pass atim or mtim values whose sub-second field overflows the seconds field to path_filestat_set_times, fd_filestat_set_times, set-times, or set-times-at, crashing the host..
Description
Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 contains a denial of service vulnerability in wasmtime-wasi that allows guest WASI programs to panic the host via overflowing filesystem timestamps. Attackers can pass atim or mtim values whose sub-second field overflows the seconds field to path_filestat_set_times, fd_filestat_set_times, set-times, or set-times-at, crashing the host.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-115387?
How severe is CVE-2026-115387?
How do I fix CVE-2026-115387?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-115381Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 be…4.8
- CVE-2026-115382Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 conta…4.8
- CVE-2026-115383Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 conta…4.8
- CVE-2026-115384Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 conta…9.9
- CVE-2026-115385Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 conta…6.2
- CVE-2026-115386Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 be…2.6
- CVE-2026-115388wasmtime-wasi-http in Wasmtime before 36.0.16, 37.0.0 before…6.2
- CVE-2026-115389Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 be…2.3
- CVE-2026-11539IBM WebSphere Application Server 9.0 and 8.5 is affected by …5.3
- CVE-2026-115390Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 conta…5.7
- CVE-2026-115391Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 conta…5.8
- CVE-2026-115392Wasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 befor…7.9
Are you affected by CVE-2026-115387?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST