[UPDATE] [high] Apache HTTP Server: Multiple Vulnerabilities

CSIRTS triage

What

An attacker can exploit multiple vulnerabilities in Apache HTTP Server to execute arbitrary code, disclose information, and bypass security measures.

Who is affected

Deployments of Apache HTTP Server are affected.

Urgency

Remediation is urgent due to the high severity of the vulnerabilities.

Action

Update Apache HTTP Server to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-24

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2750

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-2025-557530.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.
• Moderate exploitation riskCVE-2025-580981.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 72% of all scored CVEs.
• Low exploitation riskCVE-2025-597750.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
• Low exploitation riskCVE-2025-650820.77% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
• Low exploitation riskCVE-2025-662000.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• medium[UPDATE] [medium] Xerox FreeFlow Print Server: Multiple vulnerabilities allow unspecified attackcert-bund
• high[UPDATE] [high] Apple macOS: Multiple vulnerabilitiescert-bund
• high[NEW] [high] Dell PowerProtect Data Domain: Multiple vulnerabilitiescert-bund

Recent advisories for Apache HTTP Server

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.

• highCVE-2026-58154: Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP…nvd · 2026-07-29
• highCVE-2026-24033: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability…nvd · 2026-07-29
• high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-28
• high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-28
• high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-28
• high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-28

More from CERT-Bund (BSI) Security Advisories

• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-31