Back to CVE records
Medium 6.9Published Mar 4, 2026
CVE-2026-27445PGP Signature Reflection
Updated under an hour ago ()
Does this affect you?
It affects SEPPmail Secure Email Gateway and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing.
- CVSS
- 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N
- Weakness (CWE)
- CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- NCSC.ch
- NVD analysis
- Analyzed
- Record last updated
- Mar 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
SEPPmail Secure Email Gateway seppmail:secure_email_gateway (from the name) | before 15.0.1 | CNA record |
seppmail seppmail seppmail:seppmail | before 15.0.1 | NVD |
References
- https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosurerelease-notes, vendor-advisory
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.