CVE-2026-3386: medium-severity vulnerability in wren-lang wren
wren-lang wren wren_compiler.c emitOp out-of-bounds
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.2%
A flaw has been found in wren-lang wren up to 0.4.0. Affected by this vulnerability is the function emitOp of the file src/vm/wren_compiler.c. This manipulation causes out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
wren-lang · wrenRelated CVEs — wren-lang wren
In the same product, most dangerous first.
CVE-2026-2657MEDIUMwren-lang wren Error Message wren_compiler.c printError stack-based overflowEPSS 0.3%CVE-2026-3385MEDIUMwren-lang wren wren_compiler.c resolveLocal recursionEPSS 0.2%CVE-2026-3387MEDIUMwren-lang wren wren_compiler.c getByteCountForArguments null pointer dereferenceEPSS 0.2%CVE-2026-2858MEDIUMwren-lang wren Source File wren_compiler.c peekChar out-of-boundsEPSS 0.1%