CVE-2026-66276

Medium

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range…

[email protected]·CWE-606·Published 2026-08-05

CVSS

6.5

EPSS

0.00

KEV

Exploits

Vendor statements (1)

lists.apache.org

cve.orgen

305 chars

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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.

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	6.5	—	—	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1	Secondary	ENISA EUVD	6.5	—	—	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1	Secondary	NVD	6.5	2.8	3.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H