CVE-2026-45711 Mailpit: Path traversal & arbitrary file write in mailpit dump --http via attacker-controlled message IDs

Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the mailpit dump --http sub-command downloads every message from a remote Mailpit instance and writes each one as .eml inside the user-supplied output directory. The message ID field is taken verbatim from the JSON...

CVE-2026-45709 Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer

Mailpit is an email testing tool and API for developers. The fix for GHSA-6jxm-fv7w-rw5j CVE-2026-23845, "Server-Side Request Forgery SSRF via HTML Check API", shipped in mailpit v1.28.3, hardened internal/htmlcheck/css.go::downloadCSSToBytes with a 5MB size cap, a text/css content-type check,...

CVE-2026-45709 Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer

Mailpit is an email testing tool and API for developers. The fix for GHSA-6jxm-fv7w-rw5j CVE-2026-23845, "Server-Side Request Forgery SSRF via HTML Check API", shipped in mailpit v1.28.3, hardened internal/htmlcheck/css.go::downloadCSSToBytes with a 5MB size cap, a text/css content-type check,...

CVE-2026-45709

Mailpit’s CVE-2026-45709 vulnerability stems from an incomplete fix for GHSA-6jxm. While v1.28.3 hardened CSS download with size cap, content-type check, and login-info stripping, the internal htmlcheck CSS downloader (internal/htmlcheck/css.go) did not implement an IP-filtering dialer. The safeD...

CVE-2026-55187

Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation shipped for CVE-2026-27808 is incomplete because the tools.IsInternalIP deny-list in internal/tools/net.go relies on Go's standard library classification helpers and does not block IPv6 transition mechanisms...

CVE-2026-55187 Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms (follow-up to CVE-2026-27808)

Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation shipped for CVE-2026-27808 is incomplete because the tools.IsInternalIP deny-list in internal/tools/net.go relies on Go's standard library classification helpers and does not block IPv6 transition mechanisms...

CVE-2026-55187

Mailpit contains an SSRF protection gap in Link Check API prior to v1.30.2. The internal IsInternalIP deny-list only blocks common IPv4 private/local addresses and CGNAT, and does not recognize several IPv6 forms that embed IPv4 destinations or IPv6 prefixes outside standard private ranges. Bypas...

CVE-2026-55187 Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms (follow-up to CVE-2026-27808)

Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation shipped for CVE-2026-27808 is incomplete because the tools.IsInternalIP deny-list in internal/tools/net.go relies on Go's standard library classification helpers and does not block IPv6 transition mechanisms...

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: seaweedfs-operator-fips, rclone, ollama-fips, gitea-fips, gitlab-workhorse-ce, seaweedfs, seaweedfs-rocksdb-fips, seaweedfs-rocksdb, gitea, ollama, mattermost-fips, kubescape, seaweedfs-fips, bento, seaweedfs-operator, kubescape-server, rclone-fips, mailpit,...

GHSA-M43H-MP45-GHQ6 vulnerabilities

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

GHSA-PWFV-328H-75X9 vulnerabilities

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

CVE-2026-46602 vulnerabilities

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

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-2026-5689 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...