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CVE-2026-31874 โ€” AI Deep Analysis Summary

CVSS 9.8 ยท Critical

Q1What is this vulnerability? (Essence + Consequences)

๐Ÿšจ **Essence**: Taskosaur v1.0.0 has a critical **Role Parameter Validation** flaw during user registration. <br>๐Ÿ’ฅ **Consequences**: Attackers can bypass role checks, leading to **Privilege Escalation**.โ€ฆ

Q2Root Cause? (CWE/Flaw)

๐Ÿ›ก๏ธ **Root Cause**: **CWE-284** (Improper Access Control). <br>๐Ÿ” **Flaw**: The system fails to properly validate the `role` parameter when a new user registers.โ€ฆ

Q3Who is affected? (Versions/Components)

๐Ÿ‘ฅ **Affected**: **Taskosaur** (Open Source AI Project Management Tool). <br>๐Ÿ“ฆ **Version**: Specifically **v1.0.0**. <br>โš ๏ธ **Vendor**: Taskosaur. If you are running this exact version, you are at risk.

Q4What can hackers do? (Privileges/Data)

๐Ÿ”“ **Hackers Can**: <br>1. **Escalate Privileges**: Turn a standard user account into an Admin/Manager. <br>2. **Full Control**: Gain High Confidentiality, Integrity, and Availability impact (CVSS H/H/H). <br>3.โ€ฆ

Q5Is exploitation threshold high? (Auth/Config)

โšก **Exploitation Threshold**: **LOW**. <br>๐Ÿ“ **Auth/Config**: <br>- **Attack Vector**: Network (AV:N) <br>- **Complexity**: Low (AC:L) <br>- **Privileges Required**: None (PR:N) <br>- **User Interaction**: None (UI:N) <bโ€ฆ

Q6Is there a public Exp? (PoC/Wild Exploitation)

๐Ÿ’ฃ **Public Exploit?**: **No**. <br>๐Ÿ“‚ **PoCs**: The `pocs` array is empty in the data. <br>๐Ÿ”— **References**: GitHub commit and GHSA advisory exist, but no public code exploit is provided yet.โ€ฆ

Q7How to self-check? (Features/Scanning)

๐Ÿ” **Self-Check**: <br>1. **Version Check**: Ensure you are NOT running Taskosaur v1.0.0. <br>2. **Registration Test**: Try registering a new user and inspect the HTTP request. Check if the `role` parameter is sent.โ€ฆ

Q8Is it fixed officially? (Patch/Mitigation)

โœ… **Official Fix?**: **Yes**. <br>๐Ÿ”— **Patch**: A fix is available via GitHub commit `159a5a8f43761561100a57d34309830550028932`. <br>๐Ÿ“ข **Advisory**: See GHSA-r6gj-4663-p5mr for official details.โ€ฆ

Q9What if no patch? (Workaround)

๐Ÿšง **No Patch Workaround**: <br>1. **Disable Public Registration**: If possible, restrict user sign-ups to admins only. <br>2.โ€ฆ

Q10Is it urgent? (Priority Suggestion)

๐Ÿ”ฅ **Urgency**: **CRITICAL**. <br>๐Ÿ“… **Priority**: **Immediate Action Required**. <br>๐Ÿ“‰ **CVSS Score**: High (3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). <br>๐Ÿ’ก **Reason**: Zero-auth, low-complexity privilege escalation.โ€ฆ