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CVE-2026-86756— Snipe-IT 8.5.0 through 8.6.3 Open Redirect via SAML RelayState

Quick assessment

Affected
grokability snipe-it
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Snipe-IT 8.5.0 至 8.6.3 版本存在开放重定向漏洞，位于其 SAML 断言消费者端点（ ，路由为 ）。该端点将 POST 参数直接写入 Laravel 的 会话键，仅过滤了 CR/LF 字符；随后 调用 ，会将绝对 URL 原样传递至 响应头。因此，未认证的攻擊者可通过诱导启用了 SAML SSO 的实例用户访问特制的 IdP 发起的 SSO 链接，使受害者在成功认证后被浏览器重定向至任意外部绝对 URL。该安全通告指出，此行为有利于凭据收割型钓鱼攻击。此漏洞不需要目标实例上的账号，也不要求身份提

CVSS 6.1 · Medium
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I. Basic Information for CVE-2026-86756

Vulnerability Information
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Vulnerability Title
Snipe-IT 8.5.0 through 8.6.3 Open Redirect via SAML RelayState
Source: CVE Program / CVE List V5
Vulnerability Description
Snipe-IT 8.5.0 through 8.6.3 contains an open redirect vulnerability in its SAML assertion-consumer endpoint (SamlController::acs, POST /saml/acs). The endpoint wrote the RelayState POST parameter directly into Laravel's url.intended session key with only CR/LF characters stripped, and LoginController later issued redirect()->intended(), which passes an absolute URL through to the Location header unchanged. An unauthenticated attacker who induces a user of a SAML-SSO-enabled instance to visit a crafted IdP-initiated SSO link can therefore cause the victim's browser to be redirected to an arbitrary absolute external URL immediately after a successful authentication, which the advisory notes facilitates credential-harvesting phishing. No account on the target instance and no compromise of the identity provider are required. Only deployments with SAML SSO enabled are affected. Fixed in 8.7.0 (commit d30b73d, PR #19386), which validates RelayState via a new Helper::sameOriginUrl check before storing it.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
grokability snipe-it 8.5.0 ~ 8.7.2 -

II. Public POCs for CVE-2026-86756

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III. Intelligence Information for CVE-2026-86756

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Other References for CVE-2026-86756 (2)

Same Patch Batch · grokability · 2026-09-09 · 36 CVEs total

CVE-2026-86751 8.5 HIGH Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Markdown
CVE-2026-86741 8.5 HIGH Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Category EULA
CVE-2026-86770 8.1 HIGH Snipe-IT before 8.7.0 Authentication Bypass via SAML Username Collation
CVE-2026-86762 8.1 HIGH Snipe-IT before 8.7.0 Authentication Bypass via API Middleware
CVE-2026-86750 7.7 HIGH snipe-it before 8.7.0 Authorization Bypass via API User Create/Update
CVE-2026-86771 7.6 HIGH Snipe-IT before 8.7.0 Server-Side Request Forgery via employee_num
CVE-2026-86754 7.3 HIGH Snipe-IT before 8.7.0 Authorization Bypass via OAuth Clients
CVE-2026-86759 7.1 HIGH Snipe-IT before 8.7.0 Missing Authorization via asset-history CSV importer
CVE-2026-86758 6.5 MEDIUM Snipe-IT before 8.7.0 License Key Exposure via CSV Export
CVE-2026-86765 6.5 MEDIUM Snipe-IT 8.6.3 Authorization Bypass via Asset Update Endpoint
CVE-2026-86742 6.5 MEDIUM Snipe-IT before 8.7.0 CSV Formula Injection via Asset Acceptance Report
CVE-2026-86757 6.5 MEDIUM Snipe-IT before 8.7.0 Information Disclosure via Custom Fields
CVE-2026-86745 6.5 MEDIUM Snipe-IT before 8.7.0 CSV Formula Injection via Location-Scoping Export
CVE-2026-86766 6.5 MEDIUM Snipe-IT 8.6.3 Race Condition via Consumable Checkout
CVE-2026-86764 6.5 MEDIUM Snipe-IT 8.6.4 before 8.7.0 Permission Bypass via assigned components
CVE-2026-86746 6.4 MEDIUM Snipe-IT before 8.7.0 Authorization Bypass via Livewire Snapshot Replay
CVE-2026-86774 6.3 MEDIUM Snipe-IT before 8.7.0 Broken Access Control via AssetModelPolicy
CVE-2026-86749 6.3 MEDIUM snipe-it before 8.7.0 Data Loss via Failed Image Write
CVE-2026-86748 6.1 MEDIUM Snipe-IT before 8.7.0 Database Wipe via Invalid Backup Archive
CVE-2026-86760 5.4 MEDIUM snipe-it 8.2.0 before 8.7.0 Authentication Bypass via activated flag

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: snipe-it
Same vendor: grokability
Same weakness: CWE-601

V. Comments for CVE-2026-86756

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