PatchTheCVECVE-2026-10861: An open redirect vulnerability existed in MISP UsersController::routeafterlogin() because the value stored in
CVE-2026-10861 is a medium-severity flaw (CVSS 6.1) affecting misp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An open redirect vulnerability existed in MISP UsersController::routeafterlogin() because the value stored in the pre_login_requested_url session key was used as the post-login redirect destination without sufficiently enforcing that it was a local application path. An unauthenticated remote attacker could craft a link that causes a victim to visit a trusted MISP instance and, after successful authentication, be redirected to an attacker-cont
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-601 |
| Published | 2026-06-04 |
| Last modified | 2026-07-22 |
Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-10861?
misp: upgrade to 2.5.39. Exact commands for each OS are on this page.
Is CVE-2026-10861 being exploited?
CVE-2026-10861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-10861 affect?
CVE-2026-10861 affects misp. Severity is medium (CVSS 6.1). An open redirect vulnerability existed in MISP UsersController::routeafterlogin() because the value stored in the pre_login_requested_url session key was used as the post-login redirect destination without sufficiently enforcing that it was
How urgent is CVE-2026-10861?
Priority 25/100. No elevated risk signals yet.
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