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CVE-2026-0856

Improper Access Control vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component enables a normal user gaining access to the admin panel. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:41bb3f8e4f5dce2af9ad17827151824a22b639f48e0b6595e3287393b9e74589
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Meona Client Launcher Component","vendor":"Mesalvo","versions":[{"lessThanOrEqual":"19.06.2020 15:11:49","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"Meona Server Component","vendor":"Mesalvo","versions":[{"lessThanOrEqual":"2025.04 5+323020","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Meona Client Launcher Component","vendor":"Mesalvo","versions":[{"lessThanOrEqual":"19.06.2020 15:11:49","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"Meona Server Component","vendor":"Mesalvo","versions":[{"lessThanOrEqual":"2025.04 5+323020","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["third-party-advisory"],"url":"https://seccore.at/blog/cves-meona/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ee9ed29979faca86476ea4cd134d8124059a5845d89db0122042045e63e227 · sha256:7a037adc74d7bdef… · /containers/cna/references/0

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.

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