CVE-2026-6334
| Summary |
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermost Advisory ID: MMSA-2026-00570
|
| Publication Date |
May 18, 2026, 5:16 p.m. |
| Registration Date |
May 19, 2026, 4:14 a.m. |
| Last Update |
May 19, 2026, 2:32 a.m. |
|
CVSS3.1 : LOW
|
| スコア |
3.1
|
| Vector |
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
高 |
| 攻撃に必要な特権レベル(PR) |
高 |
| 利用者の関与(UI) |
要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
低 |
| 可用性への影響(A) |
なし |
Related information, measures and tools
Common Vulnerabilities List