CVE-2026-50886: n/a
Project Firefly III version 6.5.9 contains an incorrect access control vulnerability in its webhook management component. This flaw allows unauthenticated attackers to send crafted POST requests to scan internal resources. The vulnerability is classified as critical with a CVSS score of 9.1, indicating high impact on confidentiality and integrity without requiring privileges or user interaction.
AI Analysis
Technical Summary
CVE-2026-50886 is an access control vulnerability (CWE-284) in Project Firefly III v6.5.9's webhook management component. Due to improper access restrictions, attackers can craft POST requests that enable scanning of internal resources. The vulnerability has a CVSS 3.1 base score of 9.1 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), reflecting network attack vector, low attack complexity, no privileges or user interaction needed, and high confidentiality and integrity impact. No patch or official remediation information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows unauthenticated attackers to scan internal resources through the webhook management interface, potentially exposing sensitive internal network information. The vulnerability impacts confidentiality and integrity but does not affect availability. This could facilitate further attacks based on internal network reconnaissance.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the webhook management component to trusted networks or authenticated users where possible to reduce exposure.
CVE-2026-50886: n/a
Description
Project Firefly III version 6.5.9 contains an incorrect access control vulnerability in its webhook management component. This flaw allows unauthenticated attackers to send crafted POST requests to scan internal resources. The vulnerability is classified as critical with a CVSS score of 9.1, indicating high impact on confidentiality and integrity without requiring privileges or user interaction.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50886 is an access control vulnerability (CWE-284) in Project Firefly III v6.5.9's webhook management component. Due to improper access restrictions, attackers can craft POST requests that enable scanning of internal resources. The vulnerability has a CVSS 3.1 base score of 9.1 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), reflecting network attack vector, low attack complexity, no privileges or user interaction needed, and high confidentiality and integrity impact. No patch or official remediation information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows unauthenticated attackers to scan internal resources through the webhook management interface, potentially exposing sensitive internal network information. The vulnerability impacts confidentiality and integrity but does not affect availability. This could facilitate further attacks based on internal network reconnaissance.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the webhook management component to trusted networks or authenticated users where possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-07T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3052f80b89be6888827c44
Added to database: 06/15/2026, 19:31:04 UTC
Last enriched: 06/23/2026, 15:34:04 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 63
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.