CVE-2023-26255: An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugi

Q: How do I fix CVE-2023-26255?

stagil navigation: upgrade to 2.0.52. Exact commands for each OS are on this page.

Q: Is CVE-2023-26255 being exploited?

CVE-2023-26255 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-26255 affect?

CVE-2023-26255 affects stagil navigation. Severity is high (CVSS 7.5). An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugin before 2.0.52 for Jira. By modifying the fileName parameter to the snjCustomDesignConfig endpoint, it is possible to traverse an

Q: How urgent is CVE-2023-26255?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-26255 is a high-severity flaw (CVSS 7.5) affecting stagil navigation. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugin before 2.0.52 for Jira. By modifying the fileName parameter to the snjCustomDesignConfig endpoint, it is possible to traverse and read the file system.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	47.2% (top 1%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-02-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: stagil

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-28 16:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

stagil stagil navigation UPGRADE

Affected: < 2.0.52

Fixed in: 2.0.52

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stagil-navigation || rpm -q stagil-navigation || stagil-navigation --version

2. UPGRADE to 2.0.52 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stagil-navigation

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stagil-navigation

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: STAGIL Navigation for Jira Menu & Themes <2.0.52 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-26255?

stagil navigation: upgrade to 2.0.52. Exact commands for each OS are on this page.

Is CVE-2023-26255 being exploited?

CVE-2023-26255 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-26255 affect?

CVE-2023-26255 affects stagil navigation. Severity is high (CVSS 7.5). An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugin before 2.0.52 for Jira. By modifying the fileName parameter to the snjCustomDesignConfig endpoint, it is possible to traverse an

How urgent is CVE-2023-26255?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Atlassian Jira vulnerabilities

Related CVEs

CVE-2023-26256 HIGH 7.5 UPGRADE An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugi

References

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