Progressive Robot Ltd vulnerabilities (CVE)

CVE records published for Progressive Robot Ltd, newest first. Follow to get an email when a new one appears.

42 results
7.8High
CVE-2026-114490

Incorrect Authorization in hMailServer

Progressive Robot Ltd hMailServer

Incorrect authorization in the COM administration API of Progressive Robot hMailServer 6.3.4 through 6.3.6 allows an account assigned the serveradmin role with a list of domains - a credential an administrator may create meaning to confine it to those domains…

8.1High
CVE-2026-114489

Missing Authorization in hMailServer

Progressive Robot Ltd hMailServer

Missing authorization in the REST and COM administration APIs of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote authenticated user whose credential is confined to named domains to change mail routing and domain configuration beyond those do…

5.8Medium
CVE-2026-114479

Not Failing Securely ('Failing Open') in hMailServer

Progressive Robot Ltd hMailServer

Not failing securely in the anti-virus attachment-stripping action of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have a message that the server's virus scanner found infected delivered to the recipient's mail…

4.3Medium
CVE-2026-114477

Missing Authorization in hMailServer

Progressive Robot Ltd hMailServer

Missing authorization in the REST metrics route of Progressive Robot hMailServer 6.2.25 through 6.3.6 allows a remote authenticated user whose credential is confined to named domains to read the server-wide traffic history. GET /api/v1/metrics/history returns…

7.5High
CVE-2026-114476

Incorrect Authorization in hMailServer

Progressive Robot Ltd hMailServer

Incorrect authorization in the REST administration API of Progressive Robot hMailServer 6.3.4 through 6.3.6 allows a remote authenticated user whose credential holds the manage_roles permission in named domains - a full-scope API key issued for those domains,…

6.5Medium
CVE-2026-114475

Missing Authorization in hMailServer

Progressive Robot Ltd hMailServer

Missing authorization in the REST role-management routes of Progressive Robot hMailServer 6.3.4 through 6.3.6 allows a remote authenticated user whose credential is confined to named domains to modify a custom role that accounts in other domains hold, and to …

5.9Medium
CVE-2026-114474

Use of Less Trusted Source in hMailServer

Progressive Robot Ltd 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…

5.0Medium
CVE-2026-114473

Incorrect Authorization in hMailServer

Progressive Robot Ltd hMailServer

Incorrect authorization in the Sender Rewriting Scheme (SRS) of Progressive Robot hMailServer 6.2.1 through 6.3.6 allows a remote attacker to relay mail through the server to outside addresses. With SRS enabled, the server rewrites the envelope sender of mail…

3.7Low
CVE-2026-114472

Insufficient Resource Pool in hMailServer

Progressive Robot Ltd hMailServer

Insufficient resource pool in the ACME HTTP-01 challenge responder of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to cause a certificate issuance or renewal to fail. When the server obtains or renews a TLS certif…

4.7Medium
CVE-2026-114471

Insertion of Sensitive Information into Log File in hMailServer

Progressive Robot Ltd hMailServer

Insertion of sensitive information into a log file in the SMTP server of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a local user who can read the server's log, or anyone given a copy of it, to obtain credentials. With SMTP logging enabled, the s…

5.3Medium
CVE-2026-114470

Cross-Site Request Forgery (CSRF) in hMailServer

Progressive Robot Ltd hMailServer

Cross-site request forgery in the REST API of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote attacker to make an authenticated user's browser perform a state-changing request. The REST API accepts HTTP Basic authentication and answers a bro…

7.8High
CVE-2026-107571

Incorrect Default Permissions in hMailServer

Progressive Robot Ltd hMailServer

Incorrect default permissions in the Windows installer of Progressive Robot hMailServer 6.0.0 through 6.3.6 allow a local authenticated user to run code as the mail server's high-privileged accounts when the product is installed in a folder whose permissions …

7.5High
CVE-2026-107569

Unchecked Input for Loop Condition in hMailServer

Progressive Robot Ltd hMailServer

Unchecked input for a loop condition in Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to stop the server carrying mail. The server bounds the mail it generates in response to a message - a rule forward, reply or co…

6.5Medium
CVE-2026-107566

Missing Authorization in hMailServer

Progressive Robot Ltd 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-sign…

6.5Medium
CVE-2026-107568

Missing Authorization in hMailServer

Progressive Robot Ltd hMailServer

Missing authorization in the Sieve notify action (6.2.22 through 6.3.6) and in the mail-rule Reply action (6.0.0 through 6.3.6) of Progressive Robot hMailServer allows an authenticated user to send mail through the server as any address. A Sieve notify sends …

7.5High
CVE-2026-107567

Use of Less Trusted Source in hMailServer

Progressive Robot Ltd 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 …

7.4High
CVE-2026-107584

Not Failing Securely ('Failing Open') in hMailServer

Progressive Robot Ltd hMailServer

Progressive Robot hMailServer 6.0.0 through 6.3.5 fails open when applying DANE (RFC 7672) to outbound SMTP delivery. The server's validating DNSSEC resolver treated a TLSA or MX lookup that did not complete (no answer, SERVFAIL, a malformed reply), an answer…

6.5Medium
CVE-2026-107583

Inefficient Algorithmic Complexity in hMailServer

Progressive Robot Ltd hMailServer

Inefficient algorithmic complexity in the webmail's message view of the REST API in Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to make the webmail, the administration console and the REST API unavailable by send…

5.9Medium
CVE-2026-107587

Improper Certificate Validation in hMailServer

Progressive Robot Ltd hMailServer

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's k…

6.5Medium
CVE-2026-107582

Inefficient Algorithmic Complexity in hMailServer

Progressive Robot Ltd hMailServer

Inefficient algorithmic complexity in the REST API (6.3.3 through 6.3.5) and the IMAP PREVIEW response (6.2.22 through 6.3.5) of Progressive Robot hMailServer allows a remote unauthenticated attacker to make the webmail, the administration console and the RES…

6.5Medium
CVE-2026-107581

Inefficient Algorithmic Complexity in hMailServer

Progressive Robot Ltd hMailServer

Progressive Robot hMailServer 6.0.0 through 6.3.5 processes several IMAP commands from a signed-in account in time quadratic in the command's length or in the number of elements it names, and can be made to hold memory out of proportion to a command. The FETC…

6.5Medium
CVE-2026-107580

Inefficient Algorithmic Complexity in hMailServer

Progressive Robot Ltd hMailServer

Inefficient algorithmic complexity in the decoding of message header fields in Progressive Robot hMailServer 6.0.0 through 6.3.5 allows a remote unauthenticated attacker to make the IMAP, SMTP and POP3 services, or the webmail, unavailable by sending a messag…