Is CVE-2021-26067 actively exploited?

No active exploitation of CVE-2021-26067 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-26067 be exploited remotely?

Yes. CVE-2021-26067 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-26067?

CVE-2021-26067 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2021-26067

CWE-200Published: January 28, 2021· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

Affected versions of Atlassian Bamboo allow an unauthenticated remote attacker to view a stack trace that may reveal the path for the home directory in disk and if certain files exists on the tmp directory, via a Sensitive Data Exposure vulnerability in the /chart endpoint. The affected versions are before version 7.2.2.

NVD Source

Technical Analysis

CVE-2021-26067 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.