CVE-2026-18188: A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be processed thr
A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected backup component.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-18188
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-2026-181880.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-18188 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for A format string
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-2026-67244: A format string vulnerability was found in the Notification OAuth settings of ADM. The vulnera…nvd · 2026-07-30
- unknownCVE-2026-18187: A format string vulnerability was found in the Internal Backup on the ADM. The vulnerability o…nvd · 2026-07-30
- unknownCVE-2026-18186: A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability…nvd · 2026-07-30
- mediumGHSA-jfj6-75fj-8934: protobufjs: Text Format string map parsing can mutate returned map object prototypeghsa · 2026-07-20
- highCVE-2024-58366: SurrealDB before 1.1.1 contains a format string vulnerability in the rquickjs Exception::throw…nvd · 2026-07-18
- mediumCVE-2026-6390: Nano: gnu nano: arbitrary memory writes, information disclosure, or denial of service via forma…msrc · 2026-07-14
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