CVE-2026-3385
CVE-2026-3385 is a low-severity vulnerability in Wren with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9120
- Weakness: CWE-674
- Affected product: Wren
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-3385?
- 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.
- How severe is CVE-2026-3385?
- CVE-2026-3385 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-3385 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-3385?
- CVE-2026-3385 affects Wren. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-3385?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3385 have an EU (EUVD) identifier?
- Yes. CVE-2026-3385 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9120.
- When was CVE-2026-3385 published?
- CVE-2026-3385 was published on 2026-03-01 and last updated on 2026-06-17.
References
- https://github.com/oneafter/0122/blob/main/i1218/repro
- https://github.com/wren-lang/wren/
- https://github.com/wren-lang/wren/issues/1218
- https://vuldb.com/?ctiid.348271
- https://vuldb.com/?id.348271
- https://vuldb.com/?submit.761305
Affected products (1)
- cpe:2.3:a:wren:wren:*:*:*:*:*:*:*:*
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