Improper HTTP Header Handling in Popular Web Application
CVE-2026-10836

5.1MEDIUM

Key Information:

Vendor

Password Manager

Status
Password Manager
Vendor
CVE Published:
17 June 2026

What is CVE-2026-10836?

This vulnerability involves the improper handling of HTTP headers, specifically allowing a remote attacker to manipulate the Host header through specially crafted requests. If exploited, it can generate deceptive links or responses. Such manipulations could lead to limited information disclosure or compromise the integrity of dependent services, posing a significant risk to both website operators and users.

Affected Version(s)

Password Manager 0 < 08/07/2025

Password Manager 08/07/2025

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multip...
patch

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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