High 8.6Published Jul 16, 2026

CVE-2026-63088stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass

Updated under an hour ago (Oct 28, 2026, 9:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for stoatchat

Exploited in the last 30 days

stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.

CVSS: 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

stoatchat stoatchat stoatchat:stoatchat (from the name)	before 0.14.0	CNA record

References

References

https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q	vendor-advisory
https://github.com/stoatchat/stoatchat/releases/tag/v0.14.0	release-notes, patch
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5
https://www.vulncheck.com/advisories/stoatchat-ssrf-via-dns-based-ip-blocklist-bypass	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.