CVE-2026-9813: FlowIntel up to version 3.3.0 contains a server-side request forgery (SSRF) vulnerability in the external refe

Q: How do I fix CVE-2026-9813?

flowintel: upgrade to 3.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-9813 being exploited?

CVE-2026-9813 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-2026-9813 affect?

CVE-2026-9813 affects flowintel. Severity is critical (CVSS 9.9). FlowIntel up to version 3.3.0 contains a server-side request forgery (SSRF) vulnerability in the external reference URL probe functionality in app/case/task.py. An attacker who can submit an external reference URL can cause the application

Q: How urgent is CVE-2026-9813?

Priority 38/100. Critical severity

This month

CRITICAL 9.9UPGRADE

CVE-2026-9813 is a critical-severity flaw (CVSS 9.9) affecting flowintel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FlowIntel up to version 3.3.0 contains a server-side request forgery (SSRF) vulnerability in the external reference URL probe functionality in app/case/task.py. An attacker who can submit an external reference URL can cause the application server to issue an HTTP HEAD request to an attacker-specified destination. Due to insufficient validation of the URL scheme and resolved destination address, affected versions may allow requests to loopback, li

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-05-28
Last modified	2026-06-17

Publisher (CNA): CIRCL · Vendor: flowintel

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

Am I affected?

Timeline

2026-05-28 10:16 UTCPublished CVE record published
2026-06-17 11:05 UTCUpdated Record last modified

flowintel flowintel UPGRADE

Affected: < 3.3.0

Fixed in: 3.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flowintel

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-2026-9813?

flowintel: upgrade to 3.3.0. Exact commands for each OS are on this page.

Is CVE-2026-9813 being exploited?

CVE-2026-9813 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-2026-9813 affect?

CVE-2026-9813 affects flowintel. Severity is critical (CVSS 9.9). FlowIntel up to version 3.3.0 contains a server-side request forgery (SSRF) vulnerability in the external reference URL probe functionality in app/case/task.py. An attacker who can submit an external reference URL can cause the application

How urgent is CVE-2026-9813?

Priority 38/100. Critical severity

References

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