Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Mailpit's IsInternalIP deny list function fails to block the Azure WireServer address 168.63.129.16 and the RFC 2765/6145 IPv4-translated IPv6 prefix, allowing server-side request forgery to internal destinations. Attackers can supply hostnames resolving to these addresses in message content to reach the link check API and proxy endpoint for accessing internal resources.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
"Not worth a CVE": the mailpit deny-list, and CVE-2026-84697 Check the blog post: https://euriconicacio.github.io/blog/cve-2026-84697-not-worth-a-cve-and-the-mailpit-deny-list/ https://t.co/bD0G2LOWUj
Post summary
The tweet argues that CVE-2026-84697 is not severe enough to be considered a true CVE, linking to a blog post but providing no technical details, PoC, or patch information.
CVE-2026-84697 Mailpit's IsInternalIP deny list function fails to block the Azure WireServer address 168.63.129.16 and the RFC 2765/6145 IPv4-translated IPv6 prefix, allowing server… https://www.cve.org/CVERecord?id=CVE-2026-84697
Post summary
The post reports that Mailpit's IsInternalIP deny-list fails to block Azure WireServer's IP and certain IPv6 prefixes, revealing a vulnerability (CVE‑2026‑84697) but provides no evidence of exploitation, PoC, or patch.