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CVE-2026-17534

Kimi Code FetchURL SSRF protection bypass via DNS-resolving hostnames and redirects

MEDIUM
5.5
CVSS Score
Published: July 27, 2026 at 09:19 AM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorKimi Code

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Kimi Code (@moonshot-ai/kimi-code) before 0.27.0 implements FetchURL SSRF hardening as a static hostname and IP-literal denylist in assertSafeFetchTarget, without resolving DNS or re-validating hosts after HTTP redirects. An attacker who can influence a FetchURL call (for example via prompt injection) can supply a crafted public hostname that resolves to loopback or another internal address, or a public URL that redirects to such a target, and thereby reach internal network services that the denylist was intended to block. FetchURL is included in the default auto-approve tool set, so the call does not require interactive user confirmation in manual mode.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kimi Code· Moonshotai
90%
0 ≤ v < 0.27.00
Affected range stops below 0.27.0, so it looks safe — our inference, not a vendor statement

References (4)

Product
Source: [email protected]
https://github.com/MoonshotAI/kimi-code
Patch
Source: [email protected]
https://github.com/MoonshotAI/kimi-code/commit/31449728b72df94e22bcb2de350a1e7624895e30
Patch
Source: [email protected]
https://github.com/MoonshotAI/kimi-code/pull/1791
Vendor Advisory
Source: [email protected]
https://github.com/MoonshotAI/kimi-code/releases/tag/%40moonshot-ai%2Fkimi-code%400.27.0

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMJFROG
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-918

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