Information disclosure in Kilo Code
CVE-2026-8766
A flaw has been found in Kilo-Org kilocode up to 7.0.47. This issue affects the function Load of the file packages/opencode/src/config/config.ts of the component Environment Variable Handler. Executing a manipulation of the argument KILO_CONFIG_CONTENT can lead to information disclosure. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Kilo Code
- Kilo Code Cli
- Kilo-Org Kilocode — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/364391 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/364391/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/811400 (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- gist.github.com/YLChen-007/32b444e49ced1a46bde5a68933ccd09f (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-8766?
- CVE-2026-8766 is a medium-severity vulnerability in Kilo Code, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-05-17.
- How severe is CVE-2026-8766?
- Medium severity. CVSS v3 base score is 4.3 out of 10.