Vulnerability Database

383,426

Total vulnerabilities in the database

Vulnerabilities for products matching "github.com-mattermost-mattermost-server-v8"

Found 1 matching product.

You can search for specific versions with /product/github.com-mattermost-mattermost-server-v8/1.2.3

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github.com/mattermost/mattermost/server/v8

206 vulnerabilities found
Title Severity Exploit Date Affected versions
Medium June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260501144115-7d6816abdfd1
Medium June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260501142004-99b73d4c4acf
High June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260423180926-c021eeaff8f0
Medium June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260428142921-bd8fc9222672
High June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260506065351-202d125afa87
Medium June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260428151657-c79c3831061a
Medium June 12, 2026 6/12/26
>= 8.0.0-20250731163400-5b955468ea1e, < 8.0.0-20260504071740-9408b98025d7
Medium May 25, 2026 5/25/26
< 8.0.0-20260407102538-faa7d75b4ea0
High May 22, 2026 5/22/26
< 8.0.0-20260410202636-17939826efa2
Medium May 21, 2026 5/21/26
>= 8.0.0-20260304132957-9f2616376582, < 8.0.0-20260320113102-f2b3d1c6a945
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
< 8.0.0-20260326202606-fac92f4a71f3
Medium May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
< 8.0.0-20260401090745-f4d1abe7e8f5
Low May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 10.11.0, < 10.11.14
< 8.0.0-20260325160634-e738016c5920
Medium May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 11.4.0, < 11.4.4
< 8.0.0-20260327001745-7a339a6438f5
Medium May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 11.4.0, < 11.4.4
>= 10.11.0, < 10.11.14
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
< 8.0.0-20260311102650-3057ae7e83e9
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
< 8.0.0-20260306123948-f5fe8ded6b63
Low May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 10.11.0, < 10.11.14
Medium May 18, 2026 5/18/26
>= 10.11.0, < 10.11.14
>= 11.4.0, < 11.4.4
< 8.0.0-20260316171743-090408f09f53
>= 11.5.0, < 11.5.2
Low May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 10.11.0, < 10.11.14
< 8.0.0-20260313190740-742e0be95074
Low May 18, 2026 5/18/26
>= 11.5.0, < 11.5.2
>= 10.11.0, < 10.11.14
< 8.0.0-20260318173148-e9ae890a013b
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
< 8.0.0-20260325191733-fb11968f8798
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
< 8.0.0-20260216150504-8738f8c4b3d4
Low May 18, 2026 5/18/26
>= 10.11.0, < 10.11.14
>= 11.5.0, < 11.5.2
< 8.0.0-20260310115442-5a1ea95044d
Medium April 15, 2026 4/15/26
>= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20250723052842-4cb8d8940332
Medium April 15, 2026 4/15/26
>= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20260220133927-c29cf05d40f8
>= 11.5.0-rc1, < 11.5.0
>= 11.4.0-rc1, < 11.4.3
>= 11.3.0-rc1, < 11.3.3
= 11.5.0-rc1
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 26, 2026 3/26/26
>= 11.4.0, < 11.4.1
>= 11.3.0, < 11.3.2
>= 11.2.0, < 11.2.4
>= 10.11.0, < 10.11.12
>= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b
= 11.4.0
Medium March 26, 2026 3/26/26
>= 11.4.0, < 11.4.1
>= 11.3.0-rc1, < 11.3.2
>= 11.2.0-rc1, < 11.2.3
>= 10.11.0-rc1, < 10.11.11
>= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b
= 11.4.0
High March 26, 2026 3/26/26
>= 11.4.0-rc1, < 11.4.1
>= 11.3.0-rc1, < 11.3.2
>= 11.2.0-rc1, < 11.2.3
>= 10.11.0-rc1, < 10.11.11
>= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b
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, < 11.2.3
>= 10.11.0-rc1, < 10.11.11
>= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b
Medium March 25, 2026 3/25/26
>= 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, < 11.2.3
>= 10.11.0-rc1, < 10.11.11
>= 8.0.0-20260105080200-d27a2195068d, < 10.11.11
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
>= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b
>= 10.11.0-rc1, < 10.11.2
Medium March 16, 2026 3/16/26
< 8.0.0-20260129133647-5d787969c2d5
Low March 16, 2026 3/16/26
< 8.0.0-20260127144908-ced9a56e3988
Medium March 16, 2026 3/16/26
< 8.0.0-20260107142155-0481bd1fb045
Medium March 16, 2026 3/16/26
< 8.0.0-20260130144323-5bb5261c72fa
Medium March 16, 2026 3/16/26
< 8.0.0-20260107144005-c7f6efdfb035
Medium March 16, 2026 3/16/26
< 8.0.0-20260105134819-cc427af41b2a
Medium March 16, 2026 3/16/26
< 8.0.0-20260127062706-c6b205f0d770
Medium March 16, 2026 3/16/26
< 8.0.0-20260127165411-fe3052073dc6
Medium March 16, 2026 3/16/26
< 8.0.0-20260123211116-9efe617be8b8
Medium March 16, 2026 3/16/26
< 8.0.0-20260113182106-a18b80ba4c32
Medium March 16, 2026 3/16/26
< 8.0.0-20260115183946-38b413a27604
Medium March 16, 2026 3/16/26
< 8.0.0-20260123215601-86797c508c44
Medium March 16, 2026 3/16/26
< 8.0.0-20260129181235-1346cf529aef
High March 16, 2026 3/16/26
< 8.0.0-20260129164748-7201f42d955f
Low February 16, 2026 2/16/26
< 8.0.0-20251215190648-6404ab29acc0
Medium February 16, 2026 2/16/26
< 8.0.0-20251209134645-761e56bb11cc

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.