CVE•Published 2026-10-27•Modified 2026-10-27•0 articles on news•3 live references•NVD data
CVE-2026-117503
Vulnerability data via NVD (ingested)
CVSS v3.1
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS percentile
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Weaknesses (CWE)
Description
A vulnerability was determined in a2aproject a2a-go up to 2.4.0. Impacted is an unknown function of the file a2asrv/rest.go of the component REST SSE handler. This manipulation causes resource consumption. It is possible to initiate the attack remotely. Upgrading to version 2.5.0 is recommended to address this issue. Patch name: ff6035bd21e44bb3ee1bfa547885b8c08327fa01. It is recommended to upgrade the affected component.
Timeline
Published 2026-10-27
Modified 2026-10-27
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-2026-117503Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-117503Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-117503Censys host search filtered to this CVE id.
grep.app
CVE-2026-117503Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-117503GitHub code search for direct mentions.
Google dork
"CVE-2026-117503" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-117503 on GitHub.
We haven't classified any articles referencing CVE-2026-117503 yet. The external references above still apply.