Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerabilit
Jira Server and Data Center versions before 8.5.14, from 8.6.0 before 8.13.6, and from 8.14.0 before 8.16.1 are affected. Fixed in 8.5.14, 8.13.6, 8.16.1 and 8.17.0.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 8.5.14, 8.13.6, 8.16.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Atlassian Jira Server and Data Center are affected by a path traversal flaw that lets remote attackers read certain files from the server. This could expose sensitive configuration information.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Atlassian Jira Server
From unspecified · fixed in 8.5.14; From 8.6.0 · fixed in unspecified; From unspecified · fixed in 8.13.6; From 8.14.0 · fixed in unspecified; From unspecified · fixed in 8.16.1
- Atlassian Jira Data Center
From unspecified · fixed in 8.5.14; From 8.6.0 · fixed in unspecified; From unspecified · fixed in 8.13.6; From 8.14.0 · fixed in unspecified; From unspecified · fixed in 8.16.1
References 2
jira.atlassian.com
packetstormsecurity.com
Questions about CVE-2021-26086
What does this mean?
Remote attackers can read particular files on the server through a path traversal flaw in the /WEB-INF/web.xml endpoint.Source: jira.atlassian.com
Am I affected, and how do I check?
Jira Server and Jira Data Center versions before 8.5.14, from 8.6.0 before 8.13.6, and from 8.14.0 before 8.16.1 are listed as affected. Compare the installed Jira version number with these ranges.Source: jira.atlassian.com
What should I do about it?
Upgrade to a fixed version on your release line: 8.5.14, 8.13.6, 8.16.1, or 8.17.0.Source: jira.atlassian.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-11-12, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data