CVE-2026-118691: GuDong2003 xianyu-auto-reply-fix

xianyu-auto-reply-fix through 2.0.7 Unauthenticated Message Sending via /send-message

CVSS 6.3 MediumEPSS 0.0032 · 24th percentile

Published by the CVE Program (CNA: VulnCheck) at 28 Oct 2026, 21:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
GuDong2003	xianyu-auto-reply-fix	affected 2.0.7 and earlier semver Other versions: unaffected

Identifiers

CVE-2026-118691

CNA

VulnCheck

Weakness (CWE)

CWE-1188

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
3.7	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0032, the 24th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

28 Oct 2026, 21:11 UTC Confirmed by the CVE List
28 Oct 2026, 22:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/GuDong2003/xianyu-auto-reply-fix/issues/116 issue-tracking
github.com/GuDong2003/xianyu-auto-reply-fix product
github.com/GuDong2003/xianyu-auto-reply-fix/blob/v2.0.7/reply_server.py#L2347-L2475 technical-description
github.com/GuDong2003/xianyu-auto-reply-fix/blob/v2.0.7/db_manager.py#L1011 technical-description
github.com/GuDong2003/xianyu-auto-reply-fix/commit/999cfe61c401322d9893eb81ad1a76beabba6cfb patch
www.vulncheck.com/advisories/xianyu-auto-reply-fix-through-2.0.7-unauthenticated-message-sending-via-send-message third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.