[UPDATE] [medium] Eclipse Jetty: Multiple vulnerabilities

mediumCVE-2023-26048 CVE-2023-26049

A remote anonymous attacker can exploit multiple vulnerabilities in Eclipse Jetty to conduct a Denial of Service attack or disclose information.

CSIRTS triage

vendor: Eclipse product: Jetty Denial of service Information disclosure

What: Multiple vulnerabilities can be exploited by a remote anonymous attacker to conduct a Denial of Service attack or disclose information.
Who is affected: Remote anonymous attackers exploiting vulnerabilities in Eclipse Jetty.
Urgency: Remediation is important due to the potential for Denial of Service and information disclosure.
Action: Apply available patches for the affected versions.

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

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-06
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-2023-1009

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.

Moderate exploitation riskCVE-2023-260483.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 87% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2023-260491.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 68% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2023-26048	coverage & exploitation status	NVD · CVE.org
CVE-2023-26049	coverage & exploitation status	NVD · CVE.org

Recent advisories for Eclipse Jetty

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.

medium[NEW] [medium] Eclipse Jetty: Multiple vulnerabilitiescert-bund · 2026-08-18
medium[UPDATE] [medium] Eclipse Jetty: Vulnerability allows data manipulationcert-bund · 2026-08-14
low[UPDATE] [low] Eclipse Jetty: Vulnerability allows bypassing of security measurescert-bund · 2026-08-14
medium[UPDATE] [medium] Eclipse Jetty: Vulnerability allows Denial of Servicecert-bund · 2026-08-10
criticalCVE-2026-10050: In Eclipse Jetty, the Digest authentication server-side component uses ISO-8859-1 to encode th…nvd · 2026-08-04
highGHSA-9299-c6m4-mjhc: Eclipse Jetty: DoS attack triggering OutOfMemory with 100-Continue requestsghsa · 2026-07-22