CVE-2025-3709: Agentflow from Flowring Technology has an Account Lockout Bypass vulnerability, allowing unauthenticated remot

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-3709 is a critical-severity flaw (CVSS 9.8) affecting agentflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Agentflow from Flowring Technology has an Account Lockout Bypass vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to perform password brute force attack.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-307
Published	2025-05-02
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: flowring

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

Am I affected?

Timeline

2025-05-02 04:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

flowring agentflow DOWNGRADE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison agentflow sudo apt install agentflow=<VERSION_BEFORE_4.0> sudo apt-mark hold agentflow

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list agentflow sudo dnf downgrade agentflow-<VERSION_BEFORE_4.0> sudo dnf versionlock add agentflow

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-3709?

agentflow: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3709 being exploited?

CVE-2025-3709 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-2025-3709 affect?

CVE-2025-3709 affects agentflow. Severity is critical (CVSS 9.8). Agentflow from Flowring Technology has an Account Lockout Bypass vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to perform password brute force attack.

How urgent is CVE-2025-3709?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-2099 MEDIUM 5.4 UPGRADE AgentFlow developed by Flowring has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote
CVE-2026-2098 MEDIUM 6.1 UPGRADE AgentFlow developed by Flowring has a Reflected Cross-site Scripting vulnerability, allowing unauthenticated r
CVE-2026-2097 HIGH 8.8 MITIGATE Agentflow developed by Flowring has an Arbitrary File Upload vulnerability, allowing authenticated remote atta
CVE-2026-2096 CRITICAL 9.8 MITIGATE Agentflow developed by Flowring has a Missing Authentication vulnerability, allowing unauthenticated remote at
CVE-2026-2095 CRITICAL 9.8 MITIGATE Agentflow developed by Flowring has an Authentication Bypass vulnerability, allowing unauthenticated remote at

References

← Back to latest CVEs