CVE•Published 2026-08-20•Modified 2026-09-08•1 article on news•6 live references•NVD data
CVE-2026-77647
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
84
Exploit Prediction Scoring System · top 16% of all CVEs
Weaknesses (CWE)
Description
SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.
Timeline
Published 2026-08-20
Modified 2026-09-08
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-77647Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-77647Censys host search filtered to this CVE id.
grep.app
CVE-2026-77647Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-77647GitHub code search for direct mentions.
Google dork
"CVE-2026-77647" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (2)
CVE-2026-776472 repos
1dayexploit/1day-archivePython
Technical deep-dives and root cause analyses of recently disclosed CVEs - reverse engineering patches, building proof-of-concepts, and documenting exploitation techniques in the 1-…
izo/Spip-SentinellePHP
Plugin SPIP de détection, d’isolation et de vérification de cohérence après compromission