CVE-2023-36809: Kiwi TCMS, an open source test management system allows users to upload attachments to test plans, test cases,

Q: How do I fix CVE-2023-36809?

kiwi tcms: upgrade to 12.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-36809 being exploited?

CVE-2023-36809 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-2023-36809 affect?

CVE-2023-36809 affects kiwi tcms. Severity is high (CVSS 8.1). Kiwi TCMS, an open source test management system allows users to upload attachments to test plans, test cases, etc. Versions of Kiwi TCMS prior to 12.5 had introduced changes which were meant to serve all uploaded files as plain text in ord

Q: How urgent is CVE-2023-36809?

Priority 47/100. High severity; Public exploit reference

This month

HIGH 8.1UPGRADE

CVE-2023-36809 is a high-severity flaw (CVSS 8.1) affecting kiwi tcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kiwi TCMS, an open source test management system allows users to upload attachments to test plans, test cases, etc. Versions of Kiwi TCMS prior to 12.5 had introduced changes which were meant to serve all uploaded files as plain text in order to prevent browsers from executing potentially dangerous files when such files are accessed directly. The previous Nginx configuration was incorrect allowing certain browsers like Firefox to ignore the `Cont

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-79, CWE-434
Published	2023-07-05
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: kiwitcms

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

Am I affected?

Timeline

2023-07-05 22:15 UTCPublished CVE record published
2026-06-17 06:07 UTCUpdated Record last modified

kiwitcms kiwi tcms UPGRADE

Affected: < 12.5

Fixed in: 12.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kiwi-tcms || rpm -q kiwi-tcms || kiwi-tcms --version

2. UPGRADE to 12.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kiwi-tcms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kiwi-tcms

Note

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

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-2023-36809?

kiwi tcms: upgrade to 12.5. Exact commands for each OS are on this page.

Is CVE-2023-36809 being exploited?

CVE-2023-36809 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-2023-36809 affect?

CVE-2023-36809 affects kiwi tcms. Severity is high (CVSS 8.1). Kiwi TCMS, an open source test management system allows users to upload attachments to test plans, test cases, etc. Versions of Kiwi TCMS prior to 12.5 had introduced changes which were meant to serve all uploaded files as plain text in ord

How urgent is CVE-2023-36809?

Priority 47/100. High severity; Public exploit reference

Software pages

nginx vulnerabilities · Mozilla Firefox vulnerabilities

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CVE-2023-30613 HIGH 8.1 UPGRADE Kiwi TCMS, an open source test management system, allows users to upload attachments to test plans, test cases
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References

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