CVE-2026-31987 | Apache Airflow up to 3.1.x JWT Token log file (ID 62428)

VDB-357923 · CVE-2026-31987 · ID 62428 APACHE AIRFLOW UP TO 3.1.X JWT TOKEN LOG FILE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.1 $0-$5k 2.93+ Summaryinfo A vulnerability classified as problematic has been found in Apache Airflow up to 3.1.x. Impacted is an unknown function of the component JWT Token Handler. The manipulation leads to log file. This vulnerability is listed as CVE-2026-31987. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component. Detailsinfo A vulnerability, which was classified as problematic, has been found in Apache Airflow up to 3.1.x. This issue affects some unknown processing of the component JWT Token Handler. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. The summary by CVE is: 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. The weakness was presented by unixengineer and Jason Imison as 62428. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-31987 since 03/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/16/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. Upgrading to version 3.2.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Type Business Process Management Software Vendor Apache Name Airflow Version 3.0 3.1 License open-source Website Vendor: https://www.apache.org/ Product: https://github.com/apache/airflow/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 4.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Log file CWE: CWE-532 / CWE-200 / CWE-284 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Airflow 3.2.0 Patch: github.com Timelineinfo 03/10/2026 CVE reserved 04/16/2026 +36 days Advisory disclosed 04/16/2026 +0 days VulDB entry created 04/16/2026 +0 days VulDB entry last update Sourcesinfo Vendor: apache.org Product: github.com Advisory: 62428 Researcher: unixengineer, Jason Imison Status: Confirmed CVE: CVE-2026-31987 (🔒) GCVE (CVE): GCVE-0-2026-31987 GCVE (VulDB): GCVE-100-357923 Entryinfo Created: 04/16/2026 16:44 Changes: 04/16/2026 16:44 (59) Complete: 🔍 Cache ID: 99:4BA:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸