Which products and versions are affected by CVE-2015-8399?

Affected: Confluence (Atlassian). The full list is in the CVE brief.

Is CVE-2015-8399 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2015-8399 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2015-8399?

Public exploit code is available.

Is there a fix for CVE-2015-8399?

Fixed versions are available, including Confluence 5.8.16.

How urgently should CVE-2015-8399 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2015-8399

MediumPublic exploit

Atlassian Confluence before 5.8.17 allows remote authenticated users to read configuration files via the decoratorName parameter to (1) spaces/viewdefaultdecorator.action or (2) admin/viewdefaultdecorator.action.

Published Apr 11, 2016 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2015-8399 is a medium-severity vulnerability (CVSS 4.3 v3) affecting Confluence (Atlassian).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 60% probability of exploitation in the next 30 days.
Fixed versions are available, including Confluence 5.8.16.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

4.3

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS (30-day exploit likelihood)

60%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2015-8399 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
ConfluenceAtlassian	See advisory	5.8.16

Patched Releases

Confluence

5.8.16

Timeline

Publicly disclosed
Apr 11, 2016
Last updated
May 6, 2026

Weakness Type

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

exploitExploitDB-39170
other39170
other20160104 Confluence Vulnerabilities

FAQ

Common Questions.

Atlassian Confluence before 5.8.17 allows remote authenticated users to read configuration files via the decoratorName parameter to (1) spaces/viewdefaultdecorator.action or (2) admin/viewdefaultdecorator.action.
Affected: Confluence (Atlassian). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Confluence 5.8.16.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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