VulnerabilityAnalyzed
CVE-2026-3386
Affected by this vulnerability is the function emitOp of the file src/vm/wren_compiler.c.
LOW 1.9EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 1.9 LOWCVSS: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/M
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Affected
- wren/wren
- Source
- cna@vuldb.com
References
- https://github.com/oneafter/0122/blob/main/i1219/reproExploit
- https://github.com/wren-lang/wren/Product
- https://github.com/wren-lang/wren/issues/1219Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.348272Permissions Required, VDB Entry
- https://vuldb.com/?id.348272Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.761306Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.