[NEW] [medium] PHP: Multiple vulnerabilities allow denial of service
A remote, anonymous attacker can exploit multiple vulnerabilities in PHP to conduct a denial of service attack.
CSIRTS triage
- What
- Multiple vulnerabilities allow denial of service attacks.
- Who is affected
- Deployments of PHP.
- Urgency
- Remediation is medium urgency due to the potential for denial of service.
- Action
- Update to the latest version of PHP.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2186
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-143550.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-12184 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-14355 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownMultiple vulnerabilities in PHP (July 7, 2026)cert-fr-avis
- unknownDSA-6377-1 php8.4 - security updatedebian
- mediumCVE-2026-14355: In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.…nvd
- mediumCVE-2026-14355: ext/openssl: Memory corruption in openssl_encrypt with AES-WRAP-PADmsrc
Recent advisories for PHP
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-57584: Phalcon is a high-performance, full-stack PHP framework. Prior to 5.15.0, every Phalcon MVC ap…nvd · 2026-07-10
- unknownCVE-2026-54736: Phalcon is a high-performance, full-stack PHP framework. Prior to 5.14.1, Phalcon\Encryption\C…nvd · 2026-07-10
- criticalGHSA-m5f5-28qr-9g9r: prestashop/ps_facetedsearch: PHP Object Injection in faceted search cache allows unauthen…ghsa · 2026-07-10
- unknownCVE-2026-55466: Snipe-IT is an IT asset/license management system. Prior to 8.6.2, UploadFileRequest sanitizes…nvd · 2026-07-10
- highCVE-2026-59856: Vim is an open source, command line text editor. Prior to 9.2.0736, the PHP omni-completion sc…nvd · 2026-07-09
- criticalGHSA-9369-69wj-7m2f: YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unseria…ghsa · 2026-07-09
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