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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-92287

Information disclosure via unvalidated KMS URLs in Parquet files

CVE-2026-92287: Information disclosure via unvalidated KMS URLs in Parquet files. Not in the CISA KEV catalog. Medium advisory severity (CVSS 4.7, Red Hat).

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

CVE-2026-92287 at a glance

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Medium
CVSS base score
4.7 (Red Hat)
Weakness
CWE-918
Fixed releases
  • Apache: 26.0.0
Vendor advisories
2 from Apache, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-92287; bulletin-wide values are not repeated here.

Is CVE-2026-92287 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-92287 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-92287?

Upgrade to a fixed release named by the vendor:

  • Apache: 26.0.0
  • This affects users who read Parquet files and configure Parquet decryption properties with a KmsClient implementation. (Apache)
  • Users are recommended to upgrade to version 26.0.0, which disables this behavior by default and requires that users opt-in to it by enabling the read_kms_url flag in the DecryptionConfiguration. (Apache)

Vendor advisory comparison

Apache

1 advisory
  • Advisory severityUnrated

    Advisory [CVE-2026-92287] Pass-through of unvalidated KMS URLs to KMS clients in Apache C++ Parquet and PyArrow versions 4.0.0 to 25.0.1

    CVE-2026-92287Source published Source updated

    Pass-through of unvalidated KMS URLs to KMS clients in Apache C++ Parquet and PyArrow versions 4.0.0 to 25.0.1. This affects users who read Parquet files and configure Parquet decryption properties with a KmsClient implementation. On the reader side, the KMS URL can be application-controlled (specified in the KmsConnectionConfig) or file-controlled. If the user does not leverage application control for this parameter, a file-controlled KMS URL is forwarded to a pluggable KmsClient implementation. If the KMS implementation does not perform host validation and makes use of the provided KMS URL, a KMS token can be sent to a malicious host set by an attacker in the file. Users are recommended to upgrade to version 26.0.0, which disables this behavior by default and requires that users opt-in…

    Related products — impact not confirmed
    • Apache Arrow C++
    • PyArrow
    Source-reported affected versions
    • 4.0.0
    • 25.0.1
    Source-reported fixed versions
    • 26.0.0
    Mitigation guidance
    • This affects users who read Parquet files and configure Parquet decryption properties with a KmsClient implementation.
    • Users are recommended to upgrade to version 26.0.0, which disables this behavior by default and requires that users opt-in to it by enabling the read_kms_url flag in the DecryptionConfiguration.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityMedium4.7

    Medium [CVE-2026-92287] Information disclosure via unvalidated KMS URLs in Parquet files

    CVE-2026-92287Source published Source updated

    Information disclosure via unvalidated KMS URLs in Parquet files. Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-918. Affected products named by the advisory: Exploit Intelligence; Lightspeed Core; Migration Toolkit for Applications 8; OpenShift Lightspeed; and 6 more.

    Related products — impact not confirmed
    • Exploit Intelligence
    • Lightspeed Core
    • Migration Toolkit for Applications 8
    • OpenShift Lightspeed

    6 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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