GO-2026-5868 Mailpit: Sibling-endpoint memory-exhaustion DoS via unbounded JSON body on /api/v1/messages, /api/v1/tags, and /api/v1/message/{id}/release (incomplete fix of GHSA-fpxj-m5q8-fphw) in github.com/axllent/mailpit

Mailpit: Sibling-endpoint memory-exhaustion DoS via unbounded JSON body on /api/v1/messages, /api/v1/tags, and /api/v1/message/id/release incomplete fix of GHSA-fpxj-m5q8-fphw in github.com/axllent/mailpit...

CVE-2026-48824

creationtimestamp| type| source ---|---|--- 2026-07-01 22:35:13+00:00| published-proof-of-concept| https://github.com/axllent/mailpit/security/advisories/GHSA-28pq-6qxg-wg5r...

Mailpit: Sibling-endpoint memory-exhaustion DoS via unbounded JSON body on /api/v1/messages, /api/v1/tags, and /api/v1/message/{id}/release (incomplete fix of GHSA-fpxj-m5q8-fphw)

Summary The fix for GHSA-fpxj-m5q8-fphw CVE-2026-45710, "Mailpit: Set a default 50MB p/m limit to prevent DoS via unlimited SMTP DATA and /api/v1/send body sizes" wrapped only POST /api/v1/send with http.MaxBytesReader. The four other Mailpit JSON-body API endpoints PUT /api/v1/messages...

GHSA-28PQ-6QXG-WG5R Mailpit: Sibling-endpoint memory-exhaustion DoS via unbounded JSON body on /api/v1/messages, /api/v1/tags, and /api/v1/message/{id}/release (incomplete fix of GHSA-fpxj-m5q8-fphw)

Summary The fix for GHSA-fpxj-m5q8-fphw CVE-2026-45710, "Mailpit: Set a default 50MB p/m limit to prevent DoS via unlimited SMTP DATA and /api/v1/send body sizes" wrapped only POST /api/v1/send with http.MaxBytesReader. The four other Mailpit JSON-body API endpoints PUT /api/v1/messages...

PT-2026-54764

Name of the Vulnerable Software and Affected Versions facturascripts affected versions not specified Description Stored Cross-Site Scripting XSS exists due to improper sanitization of user-controlled input when rendering HTML attributes. The functions renderVariantList in WidgetVariante.php and...

PT-2026-55207

Name of the Vulnerable Software and Affected Versions Mailpit versions prior to 1.30.1 Description An incomplete fix for a previous denial-of-service issue left several API endpoints without body-size limits. An unauthenticated remote attacker can send a specially crafted JSON request containing ...

CVE-2026-46601 vulnerabilities

Vulnerabilities for packages: bento, mailpit, rclone-fips, ollama, mailpit-fips, ollama-fips, gitea-fips, bento-fips, seaweedfs, pdfcpu, mattermost, gitlab-workhorse-ce, seaweedfs-operator-fips, gitea, seaweedfs-operator, mattermost-fips, rclone, kubescape, seaweedfs-fips, kubescape-server-fips,...

GHSA-M43H-MP45-GHQ6 vulnerabilities

Vulnerabilities for packages: bento, mailpit, rclone-fips, ollama, mailpit-fips, ollama-fips, gitea-fips, bento-fips, seaweedfs, pdfcpu, mattermost, gitlab-workhorse-ce, seaweedfs-operator-fips, gitea, seaweedfs-operator, mattermost-fips, rclone, kubescape, seaweedfs-fips, kubescape-server-fips,...

CVE-2026-46602 vulnerabilities

Vulnerabilities for packages: listmonk, seaweedfs-fips, seaweedfs-operator, seaweedfs, hugo-extended, filebrowser, mailpit, mattermost, mattermost-fips, rclone-fips, seaweedfs-operator-fips, seaweedfs-rocksdb, hugo-fips, seaweedfs-rocksdb-fips, hugo, gitlab-workhorse-ce, mailpit-fips, rclone...

GHSA-PWFV-328H-75X9 vulnerabilities

Vulnerabilities for packages: listmonk, seaweedfs-fips, seaweedfs-operator, seaweedfs, hugo-extended, filebrowser, mailpit, mattermost, mattermost-fips, rclone-fips, seaweedfs-operator-fips, seaweedfs-rocksdb, hugo-fips, seaweedfs-rocksdb-fips, hugo, gitlab-workhorse-ce, mailpit-fips, rclone...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition through the proxyCSSRewriter process. An attacker can cause the application to crash by triggering concurrent access to shared resources, resulting in a denial of service. Remediation Upgrade...

GO-2026-5689 Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write) in github.com/axllent/mailpit

Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash fatal error: concurrent map read and map write in github.com/axllent/mailpit...

GO-2026-5688 Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms in github.com/axllent/mailpit

Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms in github.com/axllent/mailpit...

GO-2026-5599 Mailpit: Path traversal & arbitrary file write in mailpit dump --http via attacker-controlled message IDs in github.com/axllent/mailpit

Mailpit: Path traversal & arbitrary file write in mailpit dump --http via attacker-controlled message IDs in github.com/axllent/mailpit...

GO-2026-5446 Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer in github.com/axllent/mailpit

Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer in github.com/axllent/mailpit...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the handling of SMTP DATA and /api/v1/send request bodies. An attacker can cause the application to exhaust system memory and become unresponsive by sending requests with...

GO-2026-5376 Mailpit: Unauthenticated remote memory-exhaustion DoS via unlimited SMTP DATA and /api/v1/send body sizes in github.com/axllent/mailpit

Mailpit: Unauthenticated remote memory-exhaustion DoS via unlimited SMTP DATA and /api/v1/send body sizes in github.com/axllent/mailpit...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the handling of SMTP DATA and /api/v1/send request bodies. An attacker can cause the application to exhaust system memory and become unresponsive by sending requests with...

FreeBSD : mail/mailpit -- Incomplete SSRF protection in Link Check API via uncovered IPv6 forms (44afeb08-6a18-11f1-9647-10ffe07f9334)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 44afeb08-6a18-11f1-9647-10ffe07f9334 advisory. Mailpit authorreports: The tools.IsInternalIP deny-list relies on Go's stdlib classification helpers...

mail/mailpit -- Incomplete SSRF protection in Link Check API via uncovered IPv6 forms

Mailpit authorreports: The tools.IsInternalIP deny-list relies on Go's stdlib classification helpers IsLoopback, IsPrivate, IsLinkLocalUnicast, IsLinkLocalMulticast, IsUnspecified, IsMulticast plus an inline CGNAT range, but those helpers do not match two classes of IPv6 address that should be...