Unrated

Unauthenticated DoS via unbounded pod log reads in MKP

IdentifiersCVE-2026-50125CWE-770

CVE-2026-50125 is a denial-of-service vulnerability in github.com/StacklokLabs/mkp affecting the pod log retrieval functionality. The vulnerable behavior allows a remote unauthenticated attacker to provide excessively large limitBytes and tailLines values when requesting Kubernetes pod logs. The server then reads and copies an excessive volume of log data into memory using an unbounded in-memory copy pattern rather than enforcing strict upper limits or bounded reads. This can exhaust available memory and terminate the MKP server process, resulting in loss of service availability.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can cause memory exhaustion in the MKP server and may trigger an out-of-memory termination of the process. The practical result is remote unauthenticated denial of service against the MCP service, preventing legitimate users from accessing it until the service is restarted or otherwise recovered.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, restrict network access to the MKP server and avoid exposing it directly to untrusted networks. Place the service behind authentication or an authenticated proxy, and avoid granting untrusted users access to the default get_resource capability. Where feasible, reduce exposure to very large pod logs and apply external controls that limit request or response size, since rate limiting alone does not constrain per-request data volume.

Remediation

Patch, then assume compromise.

Upgrade github.com/StacklokLabs/mkp to version 0.4.1 or later. The vulnerable code path should enforce strict upper bounds on limitBytes and tailLines and replace unbounded in-memory copying with a bounded reader or equivalent defensive handling to prevent excessive log data from being buffered in memory.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

No public activity tracked yet. Mallory keeps watching.

0 SOURCESView more in app

No public activity observed for this vulnerability.

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity