Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to a malicious site via a crafted link opened in a new tab.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "10.11.0"
},
{
"last_affected": "10.11.4"
}
],
"source": "AFFECTED_FIELD"
}
],
"cna_assigner": "Mattermost",
"cwe_ids": [
"CWE-601"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62690.json"
}