Vulnerability Database

352,427

Total vulnerabilities in the database

Vulnerabilities for products matching "github.com-mattermost-mattermost--server"

Found 1 matching product.

You can search for specific versions with /product/github.com-mattermost-mattermost--server/1.2.3

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github.com/mattermost/mattermost-server

434 vulnerabilities found
Title Severity Exploit Date Affected Version
High May 21, 2026 5/21/26
== 11.6.0
>= 11.6.0 < 11.6.1
>= 11.5.0 < 11.5.4
>= 11.4.0 < 11.4.5
>= 10.11.0 < 10.11.15
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260306123948-f5fe8ded6b63
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260401090745-f4d1abe7e8f5
Low May 18, 2026 5/18/26
< 5.3.2-0.20260325160634-e738016c5920
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260327001745-7a339a6438f5
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260311102650-3057ae7e83e9
High May 18, 2026 5/18/26
< 5.3.2-0.20260326202606-fac92f4a71f3
High May 18, 2026 5/18/26
>= 11.5.0 < 11.5.2
>= 10.11.0 < 10.11.14
>= 11.4.0 < 11.4.4
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260216150504-8738f8c4b3d4
Medium May 18, 2026 5/18/26
>= 11.5.0 < 11.5.2
>= 10.11.0 < 10.11.14
>= 11.4.0 < 11.4.4
Low May 18, 2026 5/18/26
< 5.3.2-0.20260310115442-5a1ea95044dc
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260316171743-090408f09f53
Low May 18, 2026 5/18/26
< 5.3.2-0.20260313190740-742e0be95074
Low May 18, 2026 5/18/26
< 5.3.2-0.20260318173148-e9ae890a013b
Medium May 18, 2026 5/18/26
< 5.3.2-0.20260325191733-fb11968f8798
Low May 15, 2026 5/15/26
>= 11.5.0 < 11.5.2
>= 0.0.0-20250731163400-5b955468ea1e < 0.0.0-20260414103857-b21ef302025e
Medium May 15, 2026 5/15/26
>= 11.5.0 < 11.5.2
>= 0.0.0-20250731163400-5b955468ea1e < 0.0.0-20260414103857-b21ef302025e
>= 11.4.0 < 11.4.4
Low April 17, 2026 4/17/26
>= 8.0.0-20250721062209-4952acea88ce < 8.0.0-20260316060126-bc1a2b34b1f9
Medium April 17, 2026 4/17/26
>= 10.11.0-rc1 < 10.11.13
== 11.5.0-rc1
>= 11.5.0-rc1 < 11.5.0
>= 11.4.0-rc1 < 11.4.3
>= 11.3.0-rc1 < 11.3.3
Medium March 26, 2026 3/26/26
>= 11.4.0-rc1 < 11.4.1
>= 11.3.0-rc1 < 11.3.2
>= 11.2.0-rc1 < 11.2.4
>= 10.11.0-rc1 < 10.11.12
>= 8.0.0-20260105080200-d27a2195068d < 8.0.0-20260217110922-b7d4a1f1f59b
Medium March 25, 2026 3/25/26
>= 11.4.0-rc1 < 11.4.1
>= 11.3.0-rc1 < 11.3.2
>= 11.2.0-rc1 < 11.2.4
>= 10.11.0-rc1 < 10.11.12
Medium March 25, 2026 3/25/26
>= 11.4.0-rc1 < 11.4.1
>= 11.3.0-rc1 < 11.3.2
>= 11.2.0-rc1 < 11.2.4
>= 10.11.0-rc1 < 10.11.12
Low March 16, 2026 3/16/26
< 5.3.2-0.20260127144908-ced9a56e3988
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260107142155-0481bd1fb045
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260129133647-5d787969c2d5
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260107144005-c7f6efdfb035
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260130144323-5bb5261c72fa
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260127165411-fe3052073dc6
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260113182106-a18b80ba4c32
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260105134819-cc427af41b2a
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260127062706-c6b205f0d770
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
High March 16, 2026 3/16/26
< 5.3.2-0.20260129164748-7201f42d955f
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260123215601-86797c508c44
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260129181235-1346cf529aef
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260115183946-38b413a27604
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium March 16, 2026 3/16/26
< 5.3.2-0.20260123211116-9efe617be8b8
>= 10.11.0-rc1 < 10.11.11
>= 11.2.0-rc1 < 11.2.3
>= 11.3.0-rc1 < 11.3.1
Medium February 16, 2026 2/16/26
< 5.3.2-0.20251209134645-761e56bb11cc
>= 11.1.0 < 11.1.3
>= 10.11.0 < 10.11.10
>= 11.2.0 < 11.2.2
Low February 16, 2026 2/16/26
< 5.3.2-0.20251215190648-6404ab29acc0
>= 11.1.0 < 11.1.3
>= 10.11.0 < 10.11.10
>= 11.2.0 < 11.2.2
Medium February 16, 2026 2/16/26
< 5.3.2-0.20251210191531-cd17b61de41b
>= 11.1.0 < 11.1.3
>= 10.11.0 < 10.11.10
>= 11.2.0 < 11.2.2
Medium February 16, 2026 2/16/26
< 5.3.2-0.20251212052346-61651b0df7ea
>= 11.1.0 < 11.1.3
>= 10.11.0 < 10.11.10
>= 11.2.0 < 11.2.2
Low February 13, 2026 2/13/26
>= 10.11.0 < 10.11.10
Medium February 13, 2026 2/13/26
>= 11.2.0 < 11.2.2
>= 11.1.0 < 11.1.3
>= 10.11.0 < 10.11.10
Medium January 16, 2026 1/16/26
>= 10.11.0 < 10.11.9
>= 11.1.0 < 11.1.2
>= 11.0.0 < 11.0.7
Low January 16, 2026 1/16/26
>= 10.11.0 < 10.11.9
>= 11.0.0 < 11.2.0
Medium December 24, 2025 12/24/25
>= 10.11.0 < 10.11.8
>= 10.12.0 < 10.12.4
>= 11.0.0 < 11.0.6
>= 11.1.0 < 11.1.1
Medium December 24, 2025 12/24/25
>= 10.11.0 < 10.11.8
>= 10.12.0 < 10.12.4
>= 11.0.0 < 11.0.6
>= 11.1.0 < 11.1.1
Medium December 17, 2025 12/17/25
< 11.0.4
Critical November 27, 2025 11/27/25
>= 11.0.0 < 11.0.3
>= 10.12.0 < 10.12.2
>= 10.11.0 < 10.11.5
>= 10.5.0 < 10.5.13
Medium November 27, 2025 11/27/25
>= 11.0.0 < 11.0.3
>= 10.12.0 < 10.12.2
>= 10.11.0 < 10.11.5
>= 10.5.0 < 10.5.13
Critical November 27, 2025 11/27/25
>= 10.12.0 < 10.12.2
>= 10.11.0 < 10.11.5
>= 10.5.0 < 10.5.13
>= 11.0.0 < 11.0.4

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.