CVE-2021-26067

Name: CVE-2021-26067
Creator: NVD / NIST
Published: 2021-01-28T02:15:12.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2021-26067 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Atlassian	Bamboo	< 7.2.2

References

https://jira.atlassian.com/browse/BAM-21215Issue Tracking, Vendor Advisory
https://jira.atlassian.com/browse/BAM-21215Issue Tracking, Vendor Advisory

Timeline

Published: Jan 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26067?

How severe is CVE-2021-26067?

CVE-2021-26067 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26067?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26067?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST