CVE-2026-90777: espnet espnet

ESPnet before 202609 Remote Code Execution via Unsafe Deserialization

CVSS 8.7 HighEPSS 0.0073 · 54th percentile

Published by the CVE Program (CNA: VulnCheck) at 13 Sept 2026, 11:42 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
espnet	espnet pkg:pypi/espnet	affected before 202609 custom unaffected 202609 custom Other versions: unaffected

Identifiers

CVE-2026-90777

CNA

VulnCheck

Weakness (CWE)

CWE-502

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

CISA KEV Not listed.
EPSS 0.0073, the 54th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926 vendor-advisory
github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003 patch
github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99 technical-description
github.com/espnet/espnet/releases/tag/v.202609 release-notes
github.com/espnet/espnet product
www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization 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.