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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-42358

CVE-2026-42358: 1 tracked advisory record across Apache. Compare vendor sources and published fix guidance.

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

Vendor advisory comparison

Apache

1 advisory
  • Advisory severityMedium4.3

    Medium [CVE-2026-42358 +1] Apache Airflow: Airflow Variables were not masked in the UI for authenticated users

    CVE-2026-54183Source published Source updated

    This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Apache Airflow's secrets masker hides values stored under sensitive key names when they are displayed in the UI. The masker's recursion-depth limit did not descend into values nested inside a list, tuple, or set beyond that limit, so an Airflow Variable holding such a deeply-nested value was shown unmasked in the Variables UI. The exposure is limited to the UI: any authenticated user who can see the Variable in the UI can already read its full value through the Variables REST API, so this does not disclose data the user could not otherwise obtain — the masking is a shoulder-surfing defense for the UI, not an access-control boundary. This is an incomplete-fix follow-up to CVE-2026-42358, whose fix made only the dictionary walk unbounded; lists, tuples, and sets beyond the depth limit…

    Affected products in this advisory
    • Apache Airflow
    Source-reported affected versions
    • Apache Airflow before 3.3.1
    Source-reported fixed versions
    • 3.3.1
    Mitigation guidance
    • The masker's recursion-depth limit did not descend into values nested inside a list, tuple, or set beyond that limit, so an Airflow Variable holding such a deeply-nested value was shown unmasked in the Variables UI.
    • This is an incomplete-fix follow-up to CVE-2026-42358, whose fix made only the dictionary walk unbounded; lists, tuples, and sets beyond the depth limit remained unmasked in the UI.
    • Deployments that applied the CVE-2026-42358 fix should also upgrade to address this residual case.
    • Upgrade to apache-airflow 3.3.1 or later.
    Full advisory and evidenceOpen source bulletin

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