[UPDATE] [high] memcached: Multiple vulnerabilities allow bypassing security measures
A remote, anonymous attacker can exploit multiple vulnerabilities in memcached to disclose confidential information and bypass authentication, potentially enabling further attacks.
CSIRTS triage
- What
- Multiple vulnerabilities allow bypassing security measures.
- Who is affected
- Remote, anonymous attackers can exploit vulnerabilities in memcached.
- Urgency
- Remediation is high urgency due to the high severity and potential for further attacks.
- Action
- Update to the latest version to address the vulnerabilities.
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-2026-1615
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-2026-477831.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 67% of all scored CVEs.
- Low exploitation riskCVE-2026-477840.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-47783 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-47784 | coverage & exploitation status | NVD · CVE.org |
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