Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the u…
Exact source revision recorded 30 Oct 2026 01:04:51 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2025-29171
PublishedMattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL.
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
Original publisher date fields
datePublished: Sep 15, 2025, 10:28:17 AM
dateUpdated: Sep 15, 2025, 12:06:57 PM
1 related source bulletins · separate from aliases
openSUSE-SU-2025:15564-1: govulncheck-vulndb-0.0.20250917T170349-1.1 on GA media
CVE-2025-4953 · CVE-2025-54123 · CVE-2025-54376 · CVE-2025-58058 · CVE-2025-58063 · CVE-2025-58157 · CVE-2025-58158 · CVE-2025-58430 · CVE-2025-58437 · CVE-2025-58445 · CVE-2025-58450 · CVE-2025-59358 · CVE-2025-59359 · CVE-2025-59360 · CVE-2025-59361 · CVE-2025-7445 · CVE-2025-8396 · CVE-2025-9072 · CVE-2025-9076 · CVE-2025-9078 · CVE-2025-9084
- Source published
- Sep 15, 2025, 10:28:17 AM (timezone not stated)
- Source modified
- Sep 15, 2025, 12:06:57 PM (timezone not stated)
- Observed here
- 30 Oct 2026 01:04:51 UTC
- Source terms
- ENISA EUVD · source terms and attribution apply
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.
EUVD CVSS 3.1 · 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L