How severe is CVE-2026-8765?

CVE-2026-8765 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-8765 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8765?

CVE-2026-8765 affects Kilo Kilo Code. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8765?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8765 have an EU (EUVD) identifier?

Yes. CVE-2026-8765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30709.

When was CVE-2026-8765 published?

CVE-2026-8765 was published on 2026-05-17 and last updated on 2026-06-17.

CVE-2026-8765

CVE-2026-8765 is a medium-severity vulnerability in Kilo Kilo Code with a CVSS 3.x base score of 4.3. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30709
Weakness: CWE-22
Affected product: Kilo Kilo Code
Published: 2026-05-17
Last modified: 2026-06-17

Description

A vulnerability was detected in Kilo-Org kilocode up to 7.0.47. This vulnerability affects the function Bun.file of the file packages/opencode/src/kilocode/review/worktree-diff.ts of the component File Diff API Endpoint. Performing a manipulation of the argument File results in path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-8765?: A vulnerability was detected in Kilo-Org kilocode up to 7.0.47. This vulnerability affects the function Bun.file of the file packages/opencode/src/kilocode/review/worktree-diff.ts of the component File Diff API Endpoint. Performing a manipulation of the argument File results in path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-8765?: CVE-2026-8765 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-8765 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8765?: CVE-2026-8765 affects Kilo Kilo Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8765?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8765 have an EU (EUVD) identifier?: Yes. CVE-2026-8765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30709.
When was CVE-2026-8765 published?: CVE-2026-8765 was published on 2026-05-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kilo:kilo_code:*:*:*:*:*:visual_studio_code:*:*

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