CVE-2026-85230: A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration

Q: How do I fix CVE-2026-85230?

misp: upgrade to 2.5.46. Exact commands for each OS are on this page.

Q: Is CVE-2026-85230 being exploited?

CVE-2026-85230 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-2026-85230 affect?

CVE-2026-85230 affects misp. Severity is medium (CVSS 5.4). A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration. Dashboard widget URLs were validated only when the widget was rendered and were not validated when the configuration was saved. As a re

Q: How urgent is CVE-2026-85230?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2026-85230 is a medium-severity flaw (CVSS 5.4) affecting misp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration. Dashboard widget URLs were validated only when the widget was rendered and were not validated when the configuration was saved. As a result, an authenticated user able to modify dashboard widget settings could persist arbitrary URL values, including URLs using the javascript: scheme, through either of the dashboard settings persistence paths.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-20, CWE-79
Published	2026-09-03
Last modified	2026-09-10

Publisher (CNA): CIRCL · Vendor: misp-project

Last updated 2026-09-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-03 15:17 UTCPublished CVE record published
2026-09-10 19:37 UTCUpdated Record last modified

misp-project misp UPGRADE

Affected: < 2.5.46

Fixed in: 2.5.46

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy misp || rpm -q misp || misp --version

2. UPGRADE to 2.5.46 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade misp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade misp

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-2026-85230?

misp: upgrade to 2.5.46. Exact commands for each OS are on this page.

Is CVE-2026-85230 being exploited?

CVE-2026-85230 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-2026-85230 affect?

CVE-2026-85230 affects misp. Severity is medium (CVSS 5.4). A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration. Dashboard widget URLs were validated only when the widget was rendered and were not validated when the configuration was saved. As a re

How urgent is CVE-2026-85230?

Priority 24/100. No elevated risk signals yet.

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References

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