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High 2 vendors · 2 advisories

CVE-2026-105945: Apache Pulsar: The Pulsar Packages Management Service can be configured to store packages on the local filesystem of the broker by using the filesystem storage provider

CVE-2026-105945 key facts

CISA KEV
Not listed (catalogue checked )
Highest advisory rating
High
CVSS base score
7.7 (Apache), 7.5 (Red Hat)
Weakness
CWE-22
Fixed releases
  • Apache: 4.0.14, 4.2.5
  • Red Hat: 4.0.14, 4.2.5
Vendor advisories
2 from Apache, Red Hat
Listed by VulniPulse
Record changed

Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-105945; each belongs to its advisory, not to every product listed. How records are collected and checked.

How do I fix CVE-2026-105945?

Upgrade to a fixed release named by the vendor:

  • Apache: 4.0.14, 4.2.5
  • Red Hat: 4.0.14, 4.2.5
  • This issue affects Apache Pulsar versions from 2.10.0 before 4.0.14 and from 4.1.0 before 4.2.5. - 4.0.x version users should upgrade to at least 4.0.14. - 4.1.x and 4.2.x version users should upgrade to at least 4.2.5. (Apache)
  • Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions. (Apache)

Vendor advisories for CVE-2026-105945

Apache

1 advisory
  • Advisory severityHigh7.7

    High [CVE-2026-105945] Apache Pulsar: The Pulsar Packages Management Service can be configured to store packages on the local filesystem of the broker by using the filesystem storage provider

    CVE-2026-105945Source published Source updated

    The Pulsar Packages Management Service can be configured to store packages on the local filesystem of the broker by using the filesystem storage provider. Package names consist of a type, tenant, namespace, name and version. Authorization of package operations is based only on the tenant and namespace, while the storage location of a package is derived from all of these components. The version component of a package name was not validated, so it could contain URL-encoded path separators and parent directory references. The filesystem storage provider resolved such a version to a location belonging to a package in a different tenant or namespace. Because that location is inside the configured storage directory, the containment check that the filesystem storage provider performs in recent…

    Affected products in this advisory
    • Apache Pulsar
    Source-reported affected versions
    • 2.10.0 before 4.0.14
    • 4.1.0 before 4.2.5
    Source-reported fixed versions
    • 4.0.14
    • 4.2.5
    Mitigation guidance
    • This issue affects Apache Pulsar versions from 2.10.0 before 4.0.14 and from 4.1.0 before 4.2.5. - 4.0.x version users should upgrade to at least 4.0.14. - 4.1.x and 4.2.x version users should upgrade to at least 4.2.5.
    • Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory

References

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