CVE-2025-9078 (GCVE-0-2025-9078)
Vulnerability from cvelistv5 – Published: 2025-09-15 10:10 – Updated: 2025-09-15 13:57
VLAI?
Title
Weak cache keys lead to post IDOR and link preview poisoning
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing
Severity ?
4.3 (Medium)
CWE
- CWE-328 - Use of Weak Hash
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Mattermost | Mattermost |
Affected:
10.8.0 , ≤ 10.8.3
(semver)
Affected: 10.5.0 , ≤ 10.5.8 (semver) Affected: 9.11.0 , ≤ 9.11.17 (semver) Affected: 10.10.0 , ≤ 10.10.1 (semver) Affected: 10.9.0 , ≤ 10.9.3 (semver) Unaffected: 10.11.0 Unaffected: 10.8.4 Unaffected: 10.5.9 Unaffected: 9.11.18 Unaffected: 10.10.2 Unaffected: 10.9.4 |
Credits
daw10
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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