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CVE-2026-3386

wren-lang wren wren_compiler.c emitOp out-of-bounds

CVSS 4.8 MEDIUMEPSS 0.2%CWE-119CWE-125
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
01 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 · wren

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References
https://github.com/oneafter/0122/blob/main/i1219/reprohttps://github.com/wren-lang/wren/https://github.com/wren-lang/wren/issues/1219https://vuldb.com/?ctiid.348272https://vuldb.com/?id.348272https://vuldb.com/?submit.761306