CVE-2026-3386

LOW EPSS 6.7%
Published Mar 1, 20264mo ago · Modified Apr 29, 20262mo ago
1.9 CVSS 4.0
Low
Find Similar
Published Mar 1, 2026 4mo ago
Last Modified Apr 29, 2026 2mo ago

Description

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 Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
6.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
wrenwren* ≤0.4.0

References 6

  • github.com https://github.com/oneafter/0122/blob/main/i1219/repro
    Exploit
  • github.com https://github.com/wren-lang/wren/
    Product
  • github.com https://github.com/wren-lang/wren/issues/1219
    ExploitIssue TrackingVendor Advisory
  • vuldb.com https://vuldb.com/?ctiid.348272
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.348272
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.761306
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.