CVE-2025-65318When using the attachment interaction functionality, Canary Mail 5.1.40 and below saves documents to a file system without a Mark-of-the-Web tag, which allows attackers to bypass the built-in file pr…
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It affects canarymail canary_mail. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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When using the attachment interaction functionality, Canary Mail 5.1.40 and below saves documents to a file system without a Mark-of-the-Web tag, which allows attackers to bypass the built-in file protection mechanisms of both Windows OS and third-party software.
- CVSS
- 9.1 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-693
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
canarymail canary_mail canarymail:canary_mail | through 5.1.40 | NVD |
References
- https://drive.google.com/file/d/14wrTzvcLPfFsWmy-SAtDwwZKKPssBsx5/viewexploit
- https://github.com/bbaboha/CVE-2025-65318-and-CVE-2025-65319exploit, third-party-advisory
- https://github.com/nickvourd/RTI-Toolkitnot-applicable
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.