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CVE

CWE

Training

CVE-2026-3385

Published: Mar 1, 2026

Modified: Mar 2, 2026

PUBLISHED

CVSS v3.1

3.3

LOW

Description

A vulnerability was detected in wren-lang wren up to 0.4.0. Affected is the function resolveLocal of the file src/vm/wren_compiler.c. The manipulation results in uncontrolled recursion. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Vendor	Product	Versions
wren-lang	wren	affected `0.1` affected `0.2` affected `0.3` affected `0.4.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-348271 | wren-lang wren wren_compiler.c resolveLocal recursion

vdb-entry

technical-description

VDB-348271 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #761305 | wren-lang wren main-branch Heap-based Buffer Overflow

third-party-advisory

https://github.com/wren-lang/wren/issues/1218

issue-tracking

https://github.com/oneafter/0122/blob/main/i1218/repro

exploit

https://github.com/wren-lang/wren/

product

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