CVE-2026-109568High· 7.1▾ Twilight

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

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score39/ 100 · Low

impact 39.1 · likelihood 0 · exploitation 0

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Proof of concept

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Published

Oct 12, 2026

Updated

Oct 16, 2026

CVSS

7.1

Vendor

MarceauKa

Product

Shaark

CWE

CWE-639

Depth score

39 · Low

EPSS

0.25% · p16

Platforms

—

Source

NVD

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

CISA SSVC

decided 2026-10-13

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 13.

0.2% → 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

3 events · 4 days

Oct 12, 2026Published
Disclosed via NVD
Oct 13, 2026EPSS first tracked
0.2%
Oct 16, 2026Record revised
Last analysed / modified upstream

MarceauKa CWE-639 #nvd #cve.org

Affected

Shaark >= 1.2.13 <= 1.2.44

Full technical detail▾

Overview

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.

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org

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