CVE-2026-114474

Use of a less trusted source for the envelope sender in the external-account download of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write in the name of a domain the server hosts sent on by the server with an envelope sender at tha...

CVE-2026-114474

Progressive Robot hMailServer versions 6.0.0 through 6.3.6 are vulnerable to a Use of Less Trusted Source (CWE-348) issue during external-account downloads. When the server downloads messages from external POP3 or IMAP accounts, it fails to generate a proper SMTP envelope, instead using the addre...

CVE-2026-114474 Use of Less Trusted Source in hMailServer

Use of a less trusted source for the envelope sender in the external-account download of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write in the name of a domain the server hosts sent on by the server with an envelope sender at tha...

PT-2026-120652

Use of a less trusted source for the envelope sender in the external-account download of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write in the name of a domain the server hosts sent on by the server with an envelope sender at tha...

CVE-2026-107567

Use of a less trusted source in the DKIM signing of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write signed with the DKIM key of a domain the server hosts, so that it passes DKIM and DMARC for that domain at other receivers. With...

CVE-2026-107566 Missing Authorization in hMailServer

Missing authorization in the Sieve editheader action 6.2.22 through 6.3.6 and in the mail-rule Set header value action 6.0.0 through 6.3.6 of Progressive Robot hMailServer allows an authenticated user to make the server send mail as any address, DKIM-signed where the address is at a domain the...

CVE-2026-107567 Use of Less Trusted Source in hMailServer

Use of a less trusted source in the DKIM signing of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write signed with the DKIM key of a domain the server hosts, so that it passes DKIM and DMARC for that domain at other receivers. With...

CVE-2026-107567

Progressive Robot hMailServer versions 6.0.0 through 6.3.6 are vulnerable to a Use of Less Trusted Source (CWE-348) issue in the DKIM signing process. A remote unauthenticated attacker can send inbound mail with a forged From header belonging to a hosted domain. If DKIM signing is enabled, the se...

CVE-2026-107567 Use of Less Trusted Source in hMailServer

Use of a less trusted source in the DKIM signing of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write signed with the DKIM key of a domain the server hosts, so that it passes DKIM and DMARC for that domain at other receivers. With...

EUVD-2026-104406

Use of a less trusted source in the DKIM signing of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write signed with the DKIM key of a domain the server hosts, so that it passes DKIM and DMARC for that domain at other receivers. With...

PT-2026-117454

Name of the Vulnerable Software and Affected Versions Progressive Robot hMailServer versions 6.0.0 through 6.3.6 Description An issue exists in the DKIM signing process where the server uses a less trusted source, allowing a remote unauthenticated attacker to have emails signed with the DKIM key ...

CVE-2026-65879: Use of Hard-coded Credentials

Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder 6.7.1 - A hardcoded secret allowed attackers to forge the mail from address of forms...