CVE-2026-39563Network attack vector

Unauthorized action via missing capability check

Published Apr 8, 2026 · Updated Apr 8, 2026

Missing authorization in ILLID Share This Image 2.12 and earlier allows remote attackers to perform an unauthorized action. Published records identify a missing capability check in an unspecified function; the vendor changelog only associates the release with added short-link validation. No credentials or user interaction are required; assessments disagree on whether the limited effect concerns confidentiality or integrity, and the exact action remains undisclosed.

CVSS severity5.3
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in ILLID Share This Image 2.12 and earlier allows remote attackers to perform an unauthorized action. Published records identify a missing capability check in an unspecified function; the vendor changelog only associates the release with added short-link validation. No credentials or user interaction are required; assessments disagree on whether the limited effect concerns confidentiality or integrity, and the exact action remains undisclosed.

The record

CVE
CVE-2026-39563
Published
Apr 8, 2026
Updated
Apr 8, 2026
Vendor
ILLID
Product
Share This Image
Classifications
CWE-862
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.12 changes=[{"at":"2.13","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ILLID · Share This Imageversion=0 <=2.12 changes=[{"at":"2.13","status":"unaffected"}]

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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