CVE-2026-70464: RsyncProject rsync

rsync 2.0.0 < 3.5.0 Connection Slot Exhaustion DoS via Handshake Stall

CVSS 8.7 HighEPSS 0.0064 · 50th percentile

Published by the CVE Program (CNA: VulnCheck) at 13 Aug 2026, 14:41 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
RsyncProject	rsync pkg:github/RsyncProject/rsync	affected 2.0.0 to 3.4.4, inclusive semver unaffected 3.5.0 semver Other versions: unaffected

Identifiers

CVE-2026-70464

CNA

VulnCheck

Weakness (CWE)

CWE-770

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
8.7	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0064, the 50th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

13 Aug 2026, 15:20 UTC Confirmed by NVD

Sources

References from the CNA

github.com/RsyncProject/rsync/security/advisories/GHSA-hrwq-ccf7-rw5m vendor-advisory
github.com/RsyncProject/rsync/releases/tag/v3.5.0 release-notes
www.vulncheck.com/advisories/rsync-connection-slot-exhaustion-dos-via-handshake-stall 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.