CVE-2026-55486— Goobi viewer: IIIF Auth 2.0 origin parameter unsanitized — CSP malformation and reflected XSS
Quick assessment
Affected
intranda goobi-viewer-core
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.
Goobi Viewer 是一款允许在网页浏览器中展示数字化资料的 Web 应用程序。在版本 25.08 至 26.05（不含）之间，AuthorizationFlowResource 中的 IIIF Auth 2.0 端点（auth/login 和 auth/token）会接受一个未经验证的 origin 查询参数，随后将其：(1) 嵌入到响应头 Content-Security-Policy 的 frame-ancestors 指令中；(2) 以 JavaScript 单引号包裹的 postMessage 参数
Possible ATT&CK Techniques 1 AI
T1193Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| intranda | goobi-viewer-core | >= 25.08, < 26.05 |
affected |
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I. Basic Information for CVE-2026-55486
Vulnerability Information
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Vulnerability Title
Goobi viewer: IIIF Auth 2.0 origin parameter unsanitized — CSP malformation and reflected XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 25.08 to before version 26.05, the IIIF Auth 2.0 endpoints auth/login and auth/token in AuthorizationFlowResource accept an origin query parameter without validation and then (1) embed it into the Content-Security-Policy: frame-ancestors response header and (2) embed it into an HTML response body as a JavaScript single-quoted postMessage argument. Because the attacker controls both the login and token calls that initiate the flow, the unescaped value yields reflected XSS. This issue has been patched in version 26.05.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| intranda | goobi-viewer-core | >= 25.08, < 26.05 | - |
|
II. Public POCs for CVE-2026-55486
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-55486 (1)
Vendor Pages for CVE-2026-55486 (1)
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🔗 Release Release v26.05 · intranda/goobi-viewer-core · GitHub x_refsource_MISC
Same Patch Batch · intranda · 2026-10-23 · 11 CVEs total
| CVE-2026-46651 | 9.8 CRITICAL | Unauthenticated SSRF and local file inclusion via DownloadTaskEndpoint WebSocket in Goobi |
| CVE-2026-46652 | 9.8 CRITICAL | Path traversal via HTTP `Content-Disposition` header in ExternalFilesDownloader enables re |
| CVE-2026-55457 | 7.4 HIGH | Goobi viewer: Empty webapi.authorization.token default permits unauthenticated authorizati |
| CVE-2026-55459 | 7.4 HIGH | Goobi viewer: OpenID JWT audience not enforced by the verifier |
| CVE-2026-46347 | 6.8 MEDIUM | Goobi viewer: Predictable Replacement Password Allows Account Takeover After Password Rese |
| CVE-2026-55463 | 6.5 MEDIUM | Goobi viewer: WebSocket endpoints lack server-side authentication and origin validation |
| CVE-2026-46346 | 6.5 MEDIUM | Goobi viewer: Predictable Password Reset Token Allows Unauthorized Password Reset |
| CVE-2026-55442 | 5.3 MEDIUM | Goobi viewer: cleanUpQuery double-brace bypass allows arbitrary Solr local-param injection |
| CVE-2026-55465 | 5.3 MEDIUM | Goobi viewer: Solr injection via unvalidated region parameter in spatial search |
| CVE-2026-55444 | 5.3 MEDIUM | Goobi viewer: Solr query injection via the legacy RSS servlet q and filterQuery parameters |
IV. Related Vulnerabilities
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Same weakness: CWE-79
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