CVE-2026-31987 Vulnerability Analysis & Exploit Details

CVE-2026-31987
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2026-31987 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-31987 Details

Status: Analyzed

Last updated: 🕟 20 Apr 2026, 16:54 UTC
Originally published on: 🕑 16 Apr 2026, 14:16 UTC

Time between publication and last update: 4 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2026-31987 Vulnerability Summary

CVE-2026-31987: 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.

Assessing the Risk of CVE-2026-31987

Access Complexity Graph

The exploitability of CVE-2026-31987 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-31987

With low attack complexity and no required privileges, CVE-2026-31987 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-31987, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-31987, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-31987 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2026-31987 poses no threat to data integrity.
  • Availability: None
    CVE-2026-31987 does not impact system availability.

CVE-2026-31987 References

External References

CWE Common Weakness Enumeration

CWE-532

CAPEC Common Attack Pattern Enumeration and Classification

  • Fuzzing for application mapping CAPEC-215 An attacker sends random, malformed, or otherwise unexpected messages to a target application and observes the application's log or error messages returned. The attacker does not initially know how a target will respond to individual messages but by attempting a large number of message variants they may find a variant that trigger's desired behavior. In this attack, the purpose of the fuzzing is to observe the application's log and error messages, although fuzzing a target can also sometimes cause the target to enter an unstable state, causing a crash.

Vulnerable Configurations

  • cpe:2.3:a:apache:airflow:3.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:rc4:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:rc4:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:beta4:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:alpha3:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.0:alpha4:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.0:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.2:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.2:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.2:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.2:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.2:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.2:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc3:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc3:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc4:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc4:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc5:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc5:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.3:rc6:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.3:rc6:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.4:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.4:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.4:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.4:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.4:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.4:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.5:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.5:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.5:rc3:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.5:rc3:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.6:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.6:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.6:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.6:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.0.6:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.0.6:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.2:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.2:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.2:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.2:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.3:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.3:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.3:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.3:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.4:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.4:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.4:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.4:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.4:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.4:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.6:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.6:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.6:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.6:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.7:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.7:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.7:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.7:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.7:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.7:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.8:-:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.8:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.8:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.8:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:airflow:3.1.8:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:airflow:3.1.8:rc2:*:*:*:*:*:*

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