CVE-2025-15411A weakness has been identified in WebAssembly wabt up to 1.0.39.
Updated under an hour ago ()
Does this affect you?
It affects webassembly wabt. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. This manipulation causes memory corruption. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the researcher to provide a PR himself.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
webassembly wabt webassembly:wabt | through 1.0.39 | NVD |
References
- https://github.com/WebAssembly/wabt/
- https://github.com/WebAssembly/wabt/issues/2679exploit, issue-tracking, vendor-advisory
- https://github.com/oneafter/1208/blob/main/af1exploit
- https://vuldb.com/?ctiid.339332permissions-required, vdb-entry
- https://vuldb.com/?id.339332third-party-advisory, vdb-entry
- https://vuldb.com/?submit.719825third-party-advisory, vdb-entry
- https://vuldb.com/?submit.736404
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.