High [CVE-2026-33858] Apache Airflow: Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload
This high-severity Apache Software Foundation advisory covers CVE-2026-33858 affecting Apache Airflow, Airflow.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Get an email when Apache Software Foundation publishes the next one.
VulniPulse checks Apache Software Foundation's security advisories around the clock and emails you new ones with the severity, the fixed version and the vendor's link. First month free, then US$15/month; we email you before the first charge.
Summary
Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low.
Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation
Upgrade to a fixed release: 3.2.0. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
More Apache Software Foundation advisories
- CVE-2026-30912Apr 18, 2026Apache Airflow: In case of SQL errors, exception/stack trace of errors was exposed in API
- CVE-2026-25917Apr 18, 2026Apache Airflow: Dag Authors, who normally should not be able to execute code
- CVE-2026-34538Apr 9, 2026Apache Airflow versions 3.0.0 through 3.1.8 DagRun wait endpoint returns XCom result
- CVE-2026-81930Sep 29, 2026Apache Airflow's Snowflake provider did not validate the connection's `account`
- CVE-2026-81862Sep 29, 2026Apache Airflow's Teradata provider embedded cloud storage credentials directly into SQL
- CVE-2026-81914Sep 29, 2026Apache Airflow's Google provider built Google Drive search expressions by interpolating
Android app · Google Play
Monitor future Apache Software Foundation CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.