Dashboard / CVE-2026-66257

CVE-2026-66257

HIGH
MEDIUM Priority: 0.06 BB Relevance: 75/100
Published: 2026-08-05 Modified: 2026-10-24 First seen: 2026-10-29 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: None
A: High

Description

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apache qpid_proton-j < 0.35.0

References & Advisories (2)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.77%
Raw Score 0.007740
Percentile 55.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00774
2026-10-28
0.00774

Intelligence Sources

nvd ref →

External Links