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🛡️ CVE-2026-31987 — airflow

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-532 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache Airflow: JWT token appearing in logs

JWT Tokens used by tasks were exposed in logs. This could allow UI users to act as Dag Authors.

Users are advised to upgrade to Airflow version that contains fix.

Users are recommended to upgrade to version 3.2.0, which fixes this issue.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-31987 is classified as CWE-532: Insertion of Sensitive Information into Log File. Sensitive values are written to logs, which are typically kept longer and read more widely than the data warrants.

Affected software

CVE-2026-31987 is recorded against 2 packages.

  • airflow
  • apache-airflow (from 3.0.0 up to 3.2.0)

Timeline and source

Published on 18 April 2026 and last revised on 13 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

www.openwall.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
lists.apache.org (Web)
nvd.nist.gov (Web)

Other advisories for this package

airflow has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-532: Insertion of Sensitive Information into Log File) in other software:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-532
Public Exploit ✅ No
Source OSV
Published 2026-04-18
Updated 2026-08-20
Modified 2026-07-13

Affected Packages

Software From version Fixed in
airflow
apache-airflow 3.0.0 3.2.0

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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