CVE-2026-3385
wren-lang wren wren_compiler.c resolveLocal recursion
CVE-2026-3385 is a medium vulnerability (CVSS 4.8) in Wren, published March 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.
- Severity
- 4.8 MediumCVSS 4.0, CVE List
- Exploit chance
- 0.19%EPSS, 8th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
Affected products
What each source reports
CVE List Score used
wren-lang wren wren_compiler.c resolveLocal recursion
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.
- Record
CVE-2026-3385- CVSS 4.0
- 4.8 Medium
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 - CVSS 3.1
- 3.3 Low
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 - CVSS 3.0
- 3.3 Low
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 1.7
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-674, CWE-404
- Updated
- 2026-11-02
EUVDEUVD-2026-9120
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.
- Record
EUVD-2026-9120- CVSS 4.0
- 4.8 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7997-f766-56h6
A vulnerability was detected in wren-lang wren up to 0.4.0. Affected is the function resolveLocal...
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.
- Record
GHSA-7997-f766-56h6- CVSS 4.0
- 1.9 Low
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 - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-404, CWE-674
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-3385- CVSS 4.0
- 1.9 Low
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 - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 1.7 Low
AV:L/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-404, CWE-674
- Updated
- 2026-11-02
OSV
wren-lang wren wren_compiler.c resolveLocal recursion
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.
- Record
CVE-2026-3385- CVSS 4.0
- 1.9 Low
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 - Weakness
- CWE-404, CWE-674
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
vuldb.com?id.348271
github.com/wren-lang/wren/issues/1218
nvd.nist.gov/vuln/detail/CVE-2026-3385