---
cve: "CVE-2026-16527"
severity: "HIGH"
cvss: 7.3
epss: "0.5%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2026-07-30 06:25:02"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T06:53:15+02:00"
---

# CVE-2026-16527

> 7.3 HIGH

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Gering | warn |

## Referenzen

- <https://access.redhat.com/errata/RHSA-2026:55560>
- <https://access.redhat.com/errata/RHSA-2026:55617>
- <https://access.redhat.com/errata/RHSA-2026:55740>
- <https://access.redhat.com/security/cve/CVE-2026-16527>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2506031>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-16527) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_