All vulnerabilities

Servers and applications

CVE-2017-18104

The Webhooks component of Atlassian Jira before version 7.6.7 and from version 7.7.0 before version 7.11.0 allows remote attackers who are able to observe or otherwise intercept webhook events to learn information about changes in issues that should not be sent because they are not contained within the results of a specified JQL query.

Severity
Medium 5.9
Published
24 Jul 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.6.7, 7.11.0
Exploit chance
1.6% in the next 30 daysHigher than 75% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · Only under certain conditions · No login needed · No user action needed
Attacker can
Read data
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
JiraServers and applications · cpe:a:atlassian:jira
  • Every version before 7.6.7
JiraServers and applications · cpe:a:atlassian:jira_server
  • From 7.7.0 before 7.11.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-18104
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-18104