AP
Product
Apache Pulsar
by Apache Software Foundation · last CVE Oct 21, 2026
15
CVEs
0
On KEV
9.2
Max CVSS
14
New 30D
Severity mix
Critical 1High 5Medium 4Low 5
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-105869
New
9.2
0%
Oct 21
Apache Pulsar: MultiRolesTokenAuthorizationProvider uses roles from unverified tokens for HTTP requests that fall back to the anonymous user role
Affected: 2.8.1 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105937
New
8.7
0%
Oct 21
Apache Pulsar: Missing authorization of the shadow topic source allows cross-tenant message disclosure and deletion of source topic data
Affected: 3.0.0 before 4.0.14; 4.1.0 before 4.2.5
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: 2.7 through 2.7.4; 2.8 through 2.8.3; 2.9 through 2.9.2; 2.10 through 2.10.1; 2.6 and earlier through 2.6.4
CVE-2026-105945
New
7.7
0%
Oct 21
Apache Pulsar: Improper Validation of Package Name Components Allows Cross-Tenant Package Access in Filesystem Package Storage
Affected: 2.10.0 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105942
New
7.7
0%
Oct 21
Apache Pulsar: Original principal of proxied requests authorized with the proxy's authentication data, allowing privilege escalation
Affected: 2.8.1 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105934
New
7.2
0%
Oct 21
Apache Pulsar: Missing tenant admin authorization check when truncating a partitioned topic
Affected: 2.8.0 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105930
New
6.0
0%
Oct 21
Apache Pulsar: Improper Authorization of Function, Source and Sink Package URLs Allows Cross-Tenant Package Download
Affected: 2.8.0 before 4.0.14; 4.1.0 through 4.1.3; 4.2.0 before 4.2.5
CVE-2026-105936
New
5.3
1%
Oct 21
Apache Pulsar: Functions connectors list endpoint does not apply the super-user check of the worker connectors endpoint
Affected: 2.4.1 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105926
New
5.3
0%
Oct 21
Apache Pulsar: Missing Topic Authorization on Binary Protocol GetSchema and GetOrCreateSchema Commands
Affected: 2.2.0 before 4.0.14; 4.1.0 through 4.1.3; 4.2.0 before 4.2.5
CVE-2026-105935
New
4.9
0%
Oct 21
Apache Pulsar: Function trigger publishes to the input topic without checking the caller's produce permission
Affected: 2.0.0-rc1-incubating before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105938
New
2.3
1%
Oct 21
Apache Pulsar: Subscription authorization policies not enforced by namespace-level backlog and unsubscribe operations and by topic expire-all
Affected: 2.8.0 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105933
New
2.3
0%
Oct 21
Apache Pulsar: Namespace encryption requirement not enforced after a failure during topic initialization
Affected: 1.22.0-incubating before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105932
New
2.3
1%
Oct 21
Apache Pulsar: Missing topic policy authorization on non-persistent topic entry filter endpoints
Affected: 3.3.0 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105931
New
2.3
1%
Oct 21
Apache Pulsar: Missing authorization on transaction admin endpoints exposes transaction coordinator and transaction statistics of other tenants
Affected: 2.8.0 before 4.0.14; 4.1.0 before 4.2.5
CVE-2026-105927
New
2.3
0%
Oct 21
Apache Pulsar: Improper authorization of WebSocket consumer dead letter topic allows writes without PRODUCE permission
Affected: 2.3.0 before 4.0.14; 4.1.0 before 4.2.5
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