CVE-2026-88593

Versions 5.0.0 through 5.0.2 of kkFileView are vulnerable to reflected XSS via the /onlinePreview endpoint. The root cause is that the OnlinePreviewController passes user-controlled page and kkagent request parameters to FreeMarker templates without proper sanitization. These templates subsequent...

CVE-2026-88592

The software kkFileView >= 4.2.0 is vulnerable to Server-Side Request Forgery (SSRF) via the cross-origin file proxy endpoint /getCorsFile. The root cause is a validation discrepancy: the TrustHostFilter validates the first non-empty parameter in a fixed priority order, but the controller spec...

PT-2026-93892

Name of the Vulnerable Software and Affected Versions kkFileView versions 5.0.0 through 5.0.2 Description Reflected Cross-Site Scripting XSS is possible via the '/onlinePreview' endpoint. The OnlinePreviewController passes the user-controlled page and kkagent request parameters to FreeMarker...

CVE-2026-88592: Insufficient Verification of Data Authenticity

kkFileView = 4.2.0 is vulnerable to Server-Side Request Forgery SSRF. The cross-origin file proxy endpoint /getCorsFile is protected by TrustHostFilter against the trust.host whitelist. However, the URL parameter validated by the filter is not the same parameter the controller actually fetches: t...

CVE-2026-88592

kkFileView = 4.2.0 is vulnerable to Server-Side Request Forgery SSRF. The cross-origin file proxy endpoint /getCorsFile is protected by TrustHostFilter against the trust.host whitelist. However, the URL parameter validated by the filter is not the same parameter the controller actually fetches: t...

PT-2026-93942

kkFileView = 4.2.0 is vulnerable to Server-Side Request Forgery SSRF. The cross-origin file proxy endpoint /getCorsFile is protected by TrustHostFilter against the trust.host whitelist. However, the URL parameter validated by the filter is not the same parameter the controller actually fetches: t...

CVE-2026-88593

kkFileView 5.0.0 through 5.0.2 allows reflected XSS via the /onlinePreview endpoint. The OnlinePreviewController passes the user-controlled page and kkagent request parameters to FreeMarker templates without sanitization, and the templates insert these values into raw JavaScript contexts...

EUVD-2026-81259

kkFileView = 4.2.0 is vulnerable to Server-Side Request Forgery SSRF. The cross-origin file proxy endpoint /getCorsFile is protected by TrustHostFilter against the trust.host whitelist. However, the URL parameter validated by the filter is not the same parameter the controller actually fetches: t...

CVE-2026-73244

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

CVE-2026-73243

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an...

CVE-2026-73244 kkFileView: Unauthenticated path traversal in POST /listFiles allows arbitrary directory listing

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

EUVD-2026-56940

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

CVE-2026-73244

kkFileView (Spring Boot-based) prior to version 5.0.1 suffers an unauthenticated path traversal: the POST /listFiles endpoint forwards a user-controlled path param from FileController.getFiles to Files.newDirectoryStream without constraining to the demo directory, enabling directory enumeration o...

CVE-2026-73244

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

CVE-2026-73244 kkFileView: Unauthenticated path traversal in POST /listFiles allows arbitrary directory listing

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

CVE-2026-73244 kkFileView: Unauthenticated path traversal in POST /listFiles allows arbitrary directory listing

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileControllergetFiles to...

EUVD-2026-56937

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an...

CVE-2026-73243 kkFileView: Unauthenticated SSRF via /addTask with fullfilename type-confusion bypass

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an...

CVE-2026-73243 kkFileView: Unauthenticated SSRF via /addTask with fullfilename type-confusion bypass

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an...

CVE-2026-73243

kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an...