CVE-2026-16527

7.3 HIGH 0.6% exploit odds No fix listed Auth & access

What it is

An unauthenticated remote attacker can bypass access controls by sending crafted requests to the PCP pmproxy /store endpoint. This allows the attacker to overwrite any PMDA metric, leading to arbitrary code execution and system takeover.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-07-30 06:25 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-04 22:18 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 7.3 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2026-07-30 06:25 UTC
Last modified: 2026-11-04 22:18 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-306 · Missing authentication
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 7.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-16527.md and follow it. Check whether this project is affected by CVE-2026-16527. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record