CVE Explorer
CVE-2026-63301
In Quick.CMS, the administrative user interface restricts deletion of the primary language by omitting the corresponding option from the interface; however, the underlying language-deletion API endpoint does not enforce an equivalent server-side authorization check. As a result, an authenticated administrator can bypass the UI-level restriction and delete the primary language by sending a direct HTTP request to the API endpoint. Successful deletion of the primary language results in a Denial of
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Quick.CMS","vendor":"OpenSolution","versions":[{"lessThanOrEqual":"6.8.0","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8169f0b7f3782ed7403795e13a250c6c03a4aa3fd3ee2fd540501b5cd2aec23f · sha256:f1ce6c7f47ec5d52… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NO…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8169f0b7f3782ed7403795e13a250c6c03a4aa3fd3ee2fd540501b5cd2aec23f · sha256:f1ce6c7f47ec5d52… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-602","description":"CWE-602 Client-Side Enforcement of Server-Side Security","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8169f0b7f3782ed7403795e13a250c6c03a4aa3fd3ee2fd540501b5cd2aec23f · sha256:f1ce6c7f47ec5d52… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/07/CVE-2026-63301"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8169f0b7f3782ed7403795e13a250c6c03a4aa3fd3ee2fd540501b5cd2aec23f · sha256:f1ce6c7f47ec5d52… · /containers/cna/references/0
{"tags":["product"],"url":"https://opensolution.org/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8169f0b7f3782ed7403795e13a250c6c03a4aa3fd3ee2fd540501b5cd2aec23f · sha256:f1ce6c7f47ec5d52… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.