CVE-2026-22797 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: OpenStack `keystonemiddleware` fails to clear authentication headers. 💥 **Consequences**: Leads to **Privilege Escalation** or **User Impersonation**. Critical integrity breach.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-290** (Authentication Bypass by Spoofing). 🔍 **Flaw**: Improper handling/cleaning of auth headers allows stale or forged tokens to persist.

Q: Who is affected? (Versions/Components)

📦 **Affected**: OpenStack `keystonemiddleware`. 📉 **Versions**: <10.7.2, <10.9.1, and <10.12.1. 🏢 **Vendor**: OpenStack.

Q: What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Hijack sessions. 🔑 **Privileges**: Gain unauthorized access. 👤 **Data**: Impersonate other users. Full control over compromised identities.

Q: Is exploitation threshold high? (Auth/Config)

⚖️ **Threshold**: **Low**. 🔐 **Auth**: Requires **Low Privileges** (PR:L) to exploit. 🌐 **Vector**: Network accessible (AV:N). No user interaction needed (UI:N).

Q: Is there a public Exp? (PoC/Wild Exploitation)

💣 **Public Exploit**: **None** listed in data. 📂 **POCs**: Empty array. ⚠️ **Status**: Theoretical/Unconfirmed wild exploitation, but CVSS suggests high risk.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `keystonemiddleware` versions. 📊 **Features**: Check for header leakage in auth flows. 🛠️ **Tooling**: Use vulnerability scanners targeting OpenStack middleware versions.

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: **Yes**. 🩹 **Patch**: Upgrade to **10.7.2**, **10.9.1**, or **10.12.1** (or later). 📅 **Published**: Jan 19, 2026.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Implement strict header sanitization. 🔒 **Workaround**: Enforce strict session validation. Monitor for anomalous auth header patterns. Isolate affected services.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 📈 **Priority**: Immediate patching recommended. 📉 **CVSS**: High severity (H/H/L). Critical impact on Confidentiality and Integrity.

Updated May 06, 2026 CVSS 9.9 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: OpenStack `keystonemiddleware` fails to clear authentication headers. <br>💥 **Consequences**: Leads to **Privilege Escalation** or **User Impersonation**. Critical integrity breach.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-290** (Authentication Bypass by Spoofing). <br>🔍 **Flaw**: Improper handling/cleaning of auth headers allows stale or forged tokens to persist.

Q3Who is affected? (Versions/Components)

📦 **Affected**: OpenStack `keystonemiddleware`. <br>📉 **Versions**: <10.7.2, <10.9.1, and <10.12.1. <br>🏢 **Vendor**: OpenStack.

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Hijack sessions. <br>🔑 **Privileges**: Gain unauthorized access. <br>👤 **Data**: Impersonate other users. Full control over compromised identities.

Q5Is exploitation threshold high? (Auth/Config)

⚖️ **Threshold**: **Low**. <br>🔐 **Auth**: Requires **Low Privileges** (PR:L) to exploit. <br>🌐 **Vector**: Network accessible (AV:N). No user interaction needed (UI:N).

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

💣 **Public Exploit**: **None** listed in data. <br>📂 **POCs**: Empty array. <br>⚠️ **Status**: Theoretical/Unconfirmed wild exploitation, but CVSS suggests high risk.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `keystonemiddleware` versions. <br>📊 **Features**: Check for header leakage in auth flows. <br>🛠️ **Tooling**: Use vulnerability scanners targeting OpenStack middleware versions.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: **Yes**. <br>🩹 **Patch**: Upgrade to **10.7.2**, **10.9.1**, or **10.12.1** (or later). <br>📅 **Published**: Jan 19, 2026.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Implement strict header sanitization. <br>🔒 **Workaround**: Enforce strict session validation. Monitor for anomalous auth header patterns. Isolate affected services.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>📈 **Priority**: Immediate patching recommended. <br>📉 **CVSS**: High severity (H/H/L). Critical impact on Confidentiality and Integrity.

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Vulnerability detail Full AI analysis (login) OpenStack CWE-290