CVE-2024-48872

Bypass of "Max failed attempts" restriction via race condition

4.8 MediumFix available

Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, and 9.5.x <= 9.5.12 fail to prevent concurrently checking and updating the failed login attempts. which allows an attacker to bypass of "Max failed attempts" restriction and send a big number of login attempts before being blocked via simultaneously sending multiple login requests

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.26%Up 0.2 points since Dec 17, 2024

What each source reports

CVE List Score used 4.8

Bypass of "Max failed attempts" restriction via race condition

Record: CVE-2024-48872
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-362
Updated: 2026-11-02

EUVDEUVD-2024-3530 4.8

Record: EUVD-2024-3530
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-826h-p4c3-477p 4.8

Mattermost Race Condition vulnerability

Record: GHSA-826h-p4c3-477p
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-362
Updated: 2026-11-02

NVD 4.8

Record: CVE-2024-48872
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-362
Updated: 2026-11-02

OSV 4.8

Bypass of "Max failed attempts" restriction via race condition

Record: CVE-2024-48872
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-362
Updated: 2026-11-02

OSVGHSA-826h-p4c3-477p 4.8

Mattermost Race Condition vulnerability

Record: GHSA-826h-p4c3-477p
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-362
Updated: 2026-11-02

OSVGO-2024-3338 No score

Mattermost Race Condition vulnerability in github.com/mattermost/mattermost-server

Mattermost Race Condition vulnerability in github.com/mattermost/mattermost-server

Record: GO-2024-3338
Updated: 2026-11-02

OSVopenSUSE-SU-2024:14603-1 No score

govulncheck-vulndb-0.0.20241218T202206-1.1 on GA media

These are all security issues fixed in the govulncheck-vulndb-0.0.20241218T202206-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:14603-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/mattermost/mattermost/server/v8` Go	10.0.0 up to 10.0.3	10.0.3
`github.com/mattermost/mattermost/server/v8` Go	9.11.0 up to 9.11.5	9.11.5
`github.com/mattermost/mattermost/server/v8` Go	9.5.0 up to 9.5.13	9.5.13
`github.com/mattermost/mattermost/server/v8` Go	10.1.0 up to 10.1.3	10.1.3
`github.com/mattermost/mattermost-server` Go	9.5.0+incompatible up to 9.5.13+incompatible, 9.11.0+incompatible up to 9.11.5+incompatible, 10.0.0+incompatible up to 10.0.3+incompatible, 10.1.0+incompatible up to 10.1.3+incompatible	9.5.13+incompatible9.11.5+incompatible10.0.3+incompatible10.1.3+incompatible
`github.com/mattermost/mattermost-server/v5` Go	All versions	None known
`github.com/mattermost/mattermost-server/v6` Go	All versions	None known
`github.com/mattermost/mattermost/server/v8` Go	All versions	None known
`govulncheck-vulndb` openSUSE:Tumbleweed From an advisory covering 8 CVEs	before 0.0.20241218T202206-1.1	0.0.20241218T202206-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-48872 is a medium vulnerability (CVSS 4.8) in Mattermost, published December 16, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in github.com/mattermost/mattermost/server/v8 10.0.3.

References

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