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PHP: Mehrere Schwachstellen

WID-SEC-2026-3585 · first 25.09.2026 · updated 26.10.2026 · CVSS 7,5

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What it is about

PHP ist eine Programmiersprache, die zur Implementierung von Web-Applikationen genutzt wird. Ein Angreifer kann mehrere Schwachstellen in PHP ausnutzen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen oder die Integrität zu verletzen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

  • einen Denial of Service Angriff durchzuführen
  • Informationen offenzulegen oder die Integrität zu verletzen

Am I affected?

Affected according to the BSI:

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • RESF Rocky Linux
  • SUSE Linux
  • SUSE openSUSE
  • Oracle Linux
  • Zend ZendPHP
  • Open Source PHP <8.3.35
  • Open Source PHP <8.2.34
  • Open Source PHP <8.4.26
  • Open Source PHP <8.5.11

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Open Source PHP 8.3.35
  • Open Source PHP 8.2.34
  • Open Source PHP 8.4.26
  • Open Source PHP 8.5.11

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

and 21 more sources in the original advisory

CVE: CVE-2025-1218, CVE-2025-14181, CVE-2026-17545, CVE-2026-6103, CVE-2026-91765, CVE-2026-91766, CVE-2026-91767, CVE-2026-91769, CVE-2026-92842, CVE-2026-93682

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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