CVE-2026-73488: Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/org

Q: How do I fix CVE-2026-73488?

flowise: upgrade to 3.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-73488 being exploited?

CVE-2026-73488 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-2026-73488 affect?

CVE-2026-73488 affects flowise. Severity is medium (CVSS 6.5). Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/organization/customer-default-source endpoint that allows authenticated attackers to access other customers' payment and profile data

Q: How urgent is CVE-2026-73488?

Priority 35/100. Public exploit reference

Routine

MEDIUM 6.5UPGRADE

CVE-2026-73488 is a medium-severity flaw (CVSS 6.5) affecting flowise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/organization/customer-default-source endpoint that allows authenticated attackers to access other customers' payment and profile data by manipulating the customerId parameter. Attackers can enumerate predictable customer IDs to retrieve sensitive information including email addresses, account balances, currency types, and billing configurati

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-639
Published	2026-08-13
Last modified	2026-10-24

Publisher (CNA): VulnCheck · Vendor: flowiseai

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-13 12:17 UTCPublished CVE record published
2026-10-24 15:10 UTCUpdated Record last modified

flowiseai flowise UPGRADE

Affected: < 3.1.3

Fixed in: 3.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.1.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flowise

Note

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

Exact fixes by distribution

Fedora 46 · wasmedge · FIXED · 0.18.1-1.fc46 · FEDORA-2026-4c27216e39 · source

sudo dnf upgrade --advisory=FEDORA-2026-4c27216e39

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-2026-73488?

flowise: upgrade to 3.1.3. Exact commands for each OS are on this page.

Is CVE-2026-73488 being exploited?

CVE-2026-73488 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-2026-73488 affect?

CVE-2026-73488 affects flowise. Severity is medium (CVSS 6.5). Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/organization/customer-default-source endpoint that allows authenticated attackers to access other customers' payment and profile data

How urgent is CVE-2026-73488?

Priority 35/100. Public exploit reference

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References

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