High 7.1Published Oct 12, 2026

CVE-2026-109568Shaark 1.2.13 through 1.2.44 Missing Authorization via API Update and Delete Routes

Updated under an hour ago (2026-10-19 07:30 UTC)

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It affects MarceauKa Shaark. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.25%, higher than 15% of scored CVEs.

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Every CVE for MarceauKa Shaark

Exploited in the last 30 days

Shaark 1.2.13 through 1.2.44 contains a missing authorization vulnerability in the Link, Story, Chest and Album API controllers that skips ownership checks. Authenticated non-admin users can send PUT or DELETE requests to /api/{link,story,chest,album}/{id} with numeric IDs to overwrite or delete other users' content, including private items.

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.25% (percentile 15)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 13, 2026
First seen by InfoSec Signals: Oct 12, 2026

Affected products

Affected products

MarceauKa Shaark marceauka:shaark (from the name)	from 1.2.13 through 1.2.44	CNA record

References

https://github.com/MarceauKa/shaark/pull/110issue-tracking, patch
https://github.com/MarceauKa/shaark/blob/1.2.44/app/Http/Controllers/Api/LinkController.phptechnical-description
https://github.com/MarceauKa/shaarkproduct
https://www.vulncheck.com/advisories/shaark-1.2.13-through-1.2.44-missing-authorization-via-api-update-and-delete-routesthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.