---
title: "CVE-2026-105944: Apache Pulsar Manager - Broken Access Control"
description: "Apache Pulsar Manager >= 0.3.0 contains broken access control caused by unauthenticated creation of admin accounts and unrestricted proxying of Pulsar admin API requests, letting unauthenticated attackers gain full administrative control and access cluster credentials, exploit requires network access to Pulsar Manager."
url: https://panop.io/threat-heartbeat/CVE-2026-105944/
---

# CVE-2026-105944 Apache Pulsar Manager - Broken Access Control

Apache Pulsar Manager >= 0.3.0 contains broken access control caused by unauthenticated creation of admin accounts and unrestricted proxying of Pulsar admin API requests, letting unauthenticated attackers gain full administrative control and access cluster credentials, exploit requires network access to Pulsar Manager.

CVSS base score 10.0 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105944)

## Details

Type

Broken Access Control

Impact

Broken Access Control, Information Disclosure

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Stop using Apache Pulsar Manager and migrate to supported alternatives; restrict network access and replace exposed credentials or keys.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105944](https://nvd.nist.gov/vuln/detail/CVE-2026-105944)
- [http://www.openwall.com/lists/oss-security/2026/10/21/26](http://www.openwall.com/lists/oss-security/2026/10/21/26)
- [https://lists.apache.org/thread.html/hol3z7fzhjntwvrv8xqqwx4l4d2jx796](https://lists.apache.org/thread.html/hol3z7fzhjntwvrv8xqqwx4l4d2jx796)
- [https://pulsar.apache.org/docs/administration-ui](https://pulsar.apache.org/docs/administration-ui)
- [https://pulsar.apache.org/security/CVE-2026-105944/](https://pulsar.apache.org/security/CVE-2026-105944/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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