PU
Product
Pulsar
by Apache · last CVE Apr 9, 2025
20
CVEs
0
On KEV
9.9
Max CVSS
0
New 30D
Severity mix
Critical 3High 7Medium 10Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-27317
9.9
57%
Mar 12
In Pulsar Functions Worker, authenticated users can upload functions in jar or nar files
Affected: 2.4.0 before 2.10.6; 2.11.0 before 2.11.4; 3.0.0 before 3.0.3; 3.1.0 before 3.1.3; 3.2.0
CVE-2024-27135
9.9
6%
Mar 12
Improper input validation in the Pulsar Function Worker allows a malicious authenticated user to execute arbitrary Java code on the Pulsar Function worker, outside of the…
Affected: 2.4.0 before 2.10.6; 2.11.0 before 2.11.4; 3.0.0 before 3.0.3; 3.1.0 before 3.1.3; 3.2.0
CVE-2021-22160
9.8
53%
May 26
If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented…
Affected: before 2.7.1
CVE-2024-27894
8.8
2%
Mar 12
The Pulsar Functions Worker includes a capability that permits authenticated users to create functions where the function's implementation is referenced by a URL
Affected: 2.4.0 before 2.10.6; 2.11.0 before 2.11.4; 3.0.0 before 3.0.3; 3.1.0 before 3.1.3; 3.2.0
CVE-2023-30429
8.8
1%
Jul 12
Incorrect Authorization vulnerability in Apache Software Foundation Apache Pulsar
Affected: before 2.10.4; 2.11.0; 2.11.0; 2.11.0
CVE-2022-34321
8.2
2%
Mar 12
Improper Authentication vulnerability in Apache Pulsar Proxy allows an attacker to connect to the /proxy-stats endpoint without authentication
Affected: 2.6.0 before 2.10.6; 2.11.0 before 2.11.3; 3.0.0 before 3.0.2; 3.1.0
CVE-2023-30428
8.1
1%
Jul 12
Incorrect Authorization vulnerability in Apache Software Foundation Apache Pulsar Broker's Rest Producer allows authenticated user with a custom HTTP header to produce a message…
Affected: 2.9.0 through 2.9.5; 2.10.0 before 2.10.4; 2.11.0; 2.11.0; 2.11.0
CVE-2022-33684
8.1
1%
Nov 4
Apache Pulsar C++/Python OAuth Clients prior to 3.0.0 were vulnerable to an MITM attack due to Disabled Certificate Validation
Affected: through 2.6.4; 2.7.0 before 2.7.5; 2.8.0 before 2.8.4; 2.9.0 before 2.9.3; 2.10.0 before 2.10.2
CVE-2023-37544
7.5
1%
Dec 20
Improper Authentication vulnerability in Apache Pulsar WebSocket Proxy allows an attacker to connect to the /pingpong endpoint without authentication
Affected: before 2.10.5; 2.11.0 before 2.11.2; 3.0.0
CVE-2023-51437
7.4
1%
Feb 7
Observable timing discrepancy vulnerability in Apache Pulsar SASL Authentication Provider can allow an attacker to forge a SASL Role Token that will pass signature verification
Affected: through 2.10.5; 2.11.0 before 2.11.3; 3.0.0 before 3.0.2; 3.1.0; 3.1.0
CVE-2025-30677
6.5
1%
Apr 9
Apache Pulsar contains multiple connectors for integrating with Apache Kafka
Affected: 2.3.0 before 3.0.11; 3.3.0 before 3.3.6; 4.0.0 before 4.0.4
CVE-2023-37579
6.5
1%
Jul 12
Incorrect Authorization vulnerability in Apache Software Foundation Apache Pulsar Function Worker
Affected: before 2.10.4; 2.11.0; 2.11.0; 2.11.0
CVE-2023-31007
6.5
1%
Jul 12
Improper Authentication vulnerability in Apache Software Foundation Apache Pulsar Broker allows a client to stay connected to a broker after authentication data expires if the…
Affected: before 2.9.5; 2.10.0 through 2.10.3; 2.11.0; 2.11.0; 2.11.0
CVE-2022-24280
6.5
1%
Sep 23
Improper Input Validation vulnerability in Proxy component of Apache Pulsar allows an attacker to make TCP/IP connection attempts that originate from the Pulsar Proxy's IP address
Affected: through 2.6.4; 2.7.0 before 2.7.5; 2.8.0 before 2.8.3; 2.9.0 before 2.9.2
CVE-2021-41571
6.5
2%
Feb 1
In Apache Pulsar it is possible to access data from BookKeeper that does not belong to the topics accessible by the authenticated user
Affected: 2.6.0 before 2.6.4; 2.7.0 before 2.7.3; 2.8.0
CVE-2024-29834
6.4
1%
Apr 2
This vulnerability allows authenticated users with produce or consume permissions to perform unauthorized operations on partitioned topics, such as unloading topics and triggering…
Affected: 2.7.1 through 2.10.6; 2.11.0 through 2.11.4; 3.0.0 before 3.0.4; 3.1.0 through 3.1.3; 3.2.0 before 3.2.2
CVE-2022-33683
5.9
1%
Sep 23
Apache Pulsar Brokers and Proxies create an internal Pulsar Admin Client that does not verify peer TLS certificates, even when tlsAllowInsecureConnection is disabled via…
Affected: before 2.7.5; 2.8.0 before 2.8.4; 2.9.0 before 2.9.3; 2.10.0
CVE-2022-33682
5.9
1%
Sep 23
TLS hostname verification cannot be enabled in the Pulsar Broker's Java Client, the Pulsar Broker's Java Admin Client, the Pulsar WebSocket Proxy's Java Client, and the Pulsar…
Affected: before 2.7.5; 2.8.0 before 2.8.4; 2.9.0 before 2.9.3; 2.10.0
CVE-2022-33681
5.9
1%
Sep 23
Delayed TLS hostname verification in the Pulsar Java Client and the Pulsar Proxy make each client vulnerable to a man in the middle attack
Affected: before 2.7.5; 2.8.0 before 2.8.4; 2.9.0 before 2.9.3; 2.10.0
CVE-2024-28098
5.4
2%
Mar 12
The vulnerability allows authenticated users with only produce or consume permissions to modify topic-level policies, such as retention, TTL, and offloading settings
Affected: 2.7.1 before 2.10.6; 2.11.0 before 2.11.4; 3.0.0 before 3.0.3; 3.1.0 before 3.1.3; 3.2.0
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