CVE-2026-14298
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Boards archive import endpoint allows resource exhaustion via zip bomb and file size limit bypass in Mattermost
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit decompressed content size and enforce the configured maximum file size in the Boards archive import handler, which allows an authenticated user to cause memory exhaustion or unbounded disk consumption via a crafted .boardarchive file uploaded to the import endpoint.. Mattermost Advisory ID: MMSA-2026-00713
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 11.9.0 | affected | semver | Unavailable | 11.9.0 | None listed |
| 11.8.0 | affected | semver | Unavailable | 11.8.4 | None listed |
| 11.7.0 | affected | semver | Unavailable | 11.7.7 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.22 | None listed |
| 11.10.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.9.1 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.8.5 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.7.8 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.23 | unaffected | Unavailable | Unavailable | Unavailable | None listed |