SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-14591

Atlassian Fisheye and Crucible versions less than 4.4.3 and version 4.5.0 are vulnerable to argument injection through filenames in Mercurial repositories, allowing attackers to execute arbitrary code on a system running the impacted software.

CRITICAL 9.0EPSS 2.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Atlassian Fisheye and Crucible versions less than 4.4.3 and version 4.5.0 are vulnerable to argument injection through filenames in Mercurial repositories, allowing attackers to execute arbitrary code on a system running the impacted software.

CVSS 3.0
9.0 CRITICALCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
2.31% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-88
Affected
atlassian/crucible · atlassian/fisheye
Source
security@atlassian.com
EPSS trend
0%3%5%27 October 2026: 2.31%27 October 202627 October 2026

EPSS 2.3% since 27 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.