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ClipBucket v5 CVE-2026-49482

MEDIUM
Improper Neutralization of Wildcards or Matching Symbols (CWE-155)
2026-06-11 GitHub_M
4.3
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
4.3 MEDIUM

Network-reachable endpoint requiring authenticated session (PR:L); trivial % wildcard causes only subtitle title overwrites scoped to attacker's own data (I:L, C:N, A:N).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Jun 11, 2026 - 23:50 vuln.today

DescriptionCVE.org

ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 - #141, ClipBucket v5 contains an improper neutralization of SQL wildcard characters in the subtitle editing endpoint. An authenticated user can send a % character as the number parameter to overwrite all subtitle titles of any video they own in a single HTTP request. This issue has been patched in version 5.5.3 - #141.

AnalysisAI

SQL wildcard character injection in ClipBucket v5's subtitle editing endpoint allows authenticated users to overwrite all subtitle titles across every video they own in a single HTTP request. Affected versions are all releases prior to 5.5.3 - #141 of the open-source video sharing platform maintained by MacWarrior. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to ClipBucket v5 instance
Delivery
Send crafted HTTP request to subtitle edit endpoint with number=%
Exploit
SQL wildcard matches all owned subtitle rows
Execution
Bulk UPDATE overwrites all subtitle titles
Impact
Subtitle data integrity lost across all owned videos

Vulnerability AssessmentAI

Exploitation The attacker must hold a valid authenticated session on the ClipBucket v5 instance (PR:L confirmed by CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS score of 4.3 (Medium) accurately reflects the constrained impact of this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated user with a standard account logs into a ClipBucket v5 instance and sends a single crafted POST request to the subtitle editing endpoint with the value '%' as the 'number' parameter. Because the input is passed unsanitized into a SQL operation, the wildcard matches all subtitle rows associated with the user's videos, overwriting all subtitle titles simultaneously. …
Remediation Vendor-released patch: 5.5.3 - #141. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-49482 vulnerability details – vuln.today

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