CVE-2024-8954: In composiohq/composio version 0.5.10, the API does not validate the `x-api-key` header's value during the aut

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-8954 is a critical-severity flaw (CVSS 9.8) affecting composio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In composiohq/composio version 0.5.10, the API does not validate the `x-api-key` header's value during the authentication step. This vulnerability allows an attacker to bypass authentication by providing any random value in the `x-api-key` header, thereby gaining unauthorized access to the server.

Why this priority

Critical severity
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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-304
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: composio

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

Am I affected?

Timeline

2025-03-20 10:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

composio composio DOWNGRADE

Affected: 0.5.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.10

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.10 (Debian / Ubuntu)

apt-cache madison composio sudo apt install composio=<VERSION_BEFORE_0.5.10> sudo apt-mark hold composio

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

dnf --showduplicates list composio sudo dnf downgrade composio-<VERSION_BEFORE_0.5.10> sudo dnf versionlock add composio

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-2024-8954?

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

Is CVE-2024-8954 being exploited?

CVE-2024-8954 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-2024-8954 affect?

CVE-2024-8954 affects composio. Severity is critical (CVSS 9.8). In composiohq/composio version 0.5.10, the API does not validate the `x-api-key` header's value during the authentication step. This vulnerability allows an attacker to bypass authentication by providing any random value in the `x-api-key`

How urgent is CVE-2024-8954?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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