CVE-2025-9262: A flaw has been found in wong2 mcp-cli 1.13.0

This week

MEDIUM 5.6REMOTEDOWNGRADE

CVE-2025-9262 is a medium-severity flaw (CVSS 5.6) affecting mcp-cli. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw has been found in wong2 mcp-cli 1.13.0. Affected is the function redirectToAuthorization of the file /src/oauth/provider.js of the component oAuth Handler. This manipulation causes os command injection. The attack may be initiated remotely. The attack is considered to have high complexity. The exploitability is told to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2025-08-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: wong2

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

Am I affected?

Timeline

2025-08-20 23:15 UTCPublished CVE record published
2026-06-17 10:08 UTCUpdated Record last modified

wong2 mcp-cli DOWNGRADE

Affected: 1.13.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.13.0

1. Check installed version

apt-cache policy mcp-cli || rpm -q mcp-cli || mcp-cli --version

2. No fixed release: DOWNGRADE to a release before 1.13.0 (Debian / Ubuntu)

apt-cache madison mcp-cli sudo apt install mcp-cli=<VERSION_BEFORE_1.13.0> sudo apt-mark hold mcp-cli

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

dnf --showduplicates list mcp-cli sudo dnf downgrade mcp-cli-<VERSION_BEFORE_1.13.0> sudo dnf versionlock add mcp-cli

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-2025-9262?

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

Is CVE-2025-9262 being exploited?

CVE-2025-9262 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-2025-9262 affect?

CVE-2025-9262 affects mcp-cli. Severity is medium (CVSS 5.6). A flaw has been found in wong2 mcp-cli 1.13.0. Affected is the function redirectToAuthorization of the file /src/oauth/provider.js of the component oAuth Handler. This manipulation causes os command injection. The attack may be initiated re

How urgent is CVE-2025-9262?

Priority 52/100. EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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