CVE•Published 2026-05-13•Modified 2026-05-13•1 article on news•5 live references•NVD data
CVE-2026-44293Protobufjs_project · Protobufjs
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default value for a bytes field could cause attacker-controlled code to be emitted into the generated conversion function. This vulnerability is fixed in 7.5.6 and 8.0.2.
Timeline
Published 2026-05-13
Modified 2026-05-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-44293Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Protobufjs Project Protobufjs"All exposed Protobufjs Project Protobufjs instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Protobufjs"HTTP body or banner mentions "Protobufjs" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-44293Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-44293Censys host search filtered to this CVE id.
grep.app
CVE-2026-44293Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-44293GitHub code search for direct mentions.
Google dork
"CVE-2026-44293" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.