CVE-2026-73243 - kkFileView: Unauthenticated SSRF via /addTask with fullfilename type-confusion bypass
CVE ID :CVE-2026-73243
Published : Aug. 11, 2026, 8:18 p.m. | 1 hour, 9 minutes ago
Description :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 attacker-selected URL after FileHandlerService#getFileAttribute uses the fullfilename parameter to force an OFFICE, COMPRESS, or CAD type. This issue is fixed in version 5.0.1.
Severity: 5.8 | MEDIUM
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Published : Aug. 11, 2026, 8:18 p.m. | 1 hour, 9 minutes ago
Description :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 attacker-selected URL after FileHandlerService#getFileAttribute uses the fullfilename parameter to force an OFFICE, COMPRESS, or CAD type. This issue is fixed in version 5.0.1.
Severity: 5.8 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...