CVE-2026-23749: Golioth Firmware SDK

Golioth Firmware SDK < 0.22.0 Blockwise Transfer Path Out-of-Bounds Read

CVSS 2.1 LowEPSS 0.0018 · 8th percentile

Published by the CVE Program (CNA: VulnCheck) at 26 Feb 2026, 17:32 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
Golioth	Firmware SDK pkg:github/golioth/golioth-firmware-sdk	affected 0.19.1 to before 0.22.0 semver unaffected 0e788217ab4b61a7c1d9fadd1b4a40f5f538a26d git Other versions: unaffected

Identifiers

CVE-2026-23749

CNA

VulnCheck

Weakness (CWE)

CWE-170

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

CISA KEV Not listed.
EPSS 0.0018, the 8th 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 26 Feb 2026. New records show when each source confirmed them.

Sources

References from the CNA

secmate.dev/disclosures/SECMATE-2025-0017 technical-description
github.com/golioth/golioth-firmware-sdk/releases/tag/v0.22.0 release-notes
github.com/golioth/golioth-firmware-sdk/commit/0e788217ab4b61a7c1d9fadd1b4a40f5f538a26d patch
www.vulncheck.com/advisories/golioth-firmware-sdk-blockwise-transfer-path-out-of-bounds-read third-party-advisory
blog.secmate.dev/posts/golioth-vulnerabilities-disclosure/ technical-descriptionexploit

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.