# CVE-2026-16531: pcp: An unauthenticated remote attacker can exploit a path traversal vulnerability in the PCP pmproxy logger servlet using...

CVE-2026-16531 is fixed in pcp on 1 platform, first by SUSE-SU-2026:3507-1, released August 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-16531
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0051
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 30, 2026

## Description

An unauthenticated remote attacker can exploit a path traversal vulnerability in the PCP pmproxy logger servlet using a crafted hostname. This allows arbitrary file and directory creation, potentially leading to a denial of service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pcp Debian 14 | 7.2.0-1 | [DEBIAN-CVE-2026-16531](https://patchblox.com/security/data/fix/linux/debian-cve-2026-16531.md) | Aug 27, 2026 |
| Linux | pcp opensuse-leap 16.0 | 6.2.0-160000.4.1 | [OPENSUSE-SU-2026:21636-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21636-1.md) | Aug 24, 2026 |
| Linux | pcp sles 15.6 | 6.2.0-150600.3.12.1 | [SUSE-SU-2026:3507-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3507-1.md) | Aug 5, 2026 |
| Linux | pcp sles 15.7 | 6.2.0-150600.3.12.1 | [SUSE-SU-2026:3507-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3507-1.md) | Aug 5, 2026 |
| Linux | pcp sles 16.0 | 6.2.0-160000.4.1 | [SUSE-SU-2026:23316-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23316-1.md) | Aug 24, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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