CVE-2021-26068
An endpoint in Atlassian Jira Server for Slack plugin from version 0.0.3 before version 2.0.15 allows remote attackers to execute arbitrary code via a template injection vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An endpoint in Atlassian Jira Server for Slack plugin from version 0.0.3 before version 2.0.15 allows remote attackers to execute arbitrary code via a template injection vulnerability.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.01% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- atlassian/jira server for slack
- Source
- security@atlassian.com
EPSS 3.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.