CVE•Published 2026-07-14•Modified 2026-07-21•1 article on news•6 live references•NVD data
CVE-2026-59197Python · Pillow
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS percentile
32
Exploit Prediction Scoring System · top 68% of all CVEs
Weaknesses (CWE)
Description
Pillow is a Python imaging library. Prior to 12.3.0, Pillow's public rank-filter API can trigger a native heap out-of-bounds write when given a very large odd filter size because ImageFilter.RankFilter.filter() calls image.expand(size // 2, size // 2) before rank-filter size validation and ImagingExpand() computes output dimensions with unchecked signed int arithmetic. This issue is fixed in version 12.3.0.
Timeline
Published 2026-07-14
Modified 2026-07-21
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-2026-59197Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Python Pillow"All exposed Python Pillow instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Pillow"HTTP body or banner mentions "Pillow" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-59197Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-59197Censys host search filtered to this CVE id.
grep.app
CVE-2026-59197Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-59197GitHub code search for direct mentions.
Google dork
"CVE-2026-59197" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-59197 on GitHub.