ShowDoc through 3.9.5 contains an authorization bypass vulnerability in the api/paramDescLib/deleteEntries endpoint that checks edit…
CVE-2026-119661
ShowDoc through 3.9.5 contains an authorization bypass vulnerability in the api/paramDescLib/deleteEntries endpoint that checks edit permission only for the first supplied entry id. Authenticated attackers can place their own entry id first and append other users' entry ids to permanently delete those parameter-description entries.
Assessment
- CVSS
- 2.3 (v4.0)
- Severity
- Low
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 30 October 2026
- Last updated
- 30 October 2026
- Weakness
- CWE-639
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
At the source
References
- https://github.com/star7th/showdoc
- https://github.com/star7th/showdoc/blob/v3.9.5/server/app/Api/Controller/ParamDescLibController.php#L545-L584
- https://github.com/star7th/showdoc/commit/53228511e656904abf7841c3d25ff78a4b5ce9c2
- https://github.com/star7th/showdoc/issues/2612
- https://hackmd.io/@hieuPenguinnn/showdoc-paramdesclib-cross-item-idor-delete
- https://www.vulncheck.com/advisories/showdoc-through-3.9.5-authorization-bypass-via-paramdesclib-deleteentries
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