CVE-2026-16531

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 71/100
Published: 2026-07-30 Modified: 2026-11-10 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: Low
A: None

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.

References & Advisories (3)

https://access.redhat.com/errata/RHSA-2026:97299
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2506037
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploitation Probability

0.57%
Raw Score 0.005740
Percentile 47.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00574
2026-11-13
0.00574
2026-11-12
0.00574
2026-11-10
0.00505
2026-11-09
0.00505
2026-11-08
0.00505
2026-11-07
0.00505
2026-11-06
0.00505
2026-11-05
0.00505

Intelligence Sources

mitre ref →
nvd ref →