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PatchSiren cyber security CVE debrief

CVE-2026-15059 systemd CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-10T14:17:20.760Z and has not been modified since then. This vulnerability affects systems using systemd-oomd and may allow attackers to disrupt service or gain elevated privileges. Local unprivileged users can terminate arbitrary local processes via systemd-oomd IPC API due to a missing path traversal validation, allowing for potential denial of service or privilege escalation attacks. System administrators and security teams responsible for managing systems using systemd-oomd, as well as developers of applications interacting with this service, should be aware of this vulnerability. They should verify local process isolation and validate IPC API access controls to mitigate potential risks.

Vendor
systemd
Product
systemd-oomd
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-10
Original CVE updated
2026-09-01
Advisory published
2026-08-10
Advisory updated
2026-09-01

Who should care

System administrators and security teams responsible for managing systems using systemd-oomd, as well as developers of applications interacting with this service, should be aware of this vulnerability. They should verify local process isolation and validate IPC API access controls to mitigate potential risks. Additionally, operators and security teams may need to review compensating controls for exposed systems while remediation is scheduled and verified.

Technical summary

Local unprivileged users can terminate arbitrary local processes via systemd-oomd IPC API due to a missing path traversal validation, allowing for potential denial of service or privilege escalation attacks. This vulnerability affects systems using systemd-oomd and may allow attackers to disrupt service or gain elevated privileges.

Defensive priority

Local privilege escalation vulnerability via systemd-oomd IPC API; verify local process isolation and validate IPC API access controls.

Recommended defensive actions

  • Verify local process isolation and validate IPC API access controls
  • Implement additional logging and monitoring for systemd-oomd IPC API usage
  • Restrict access to systemd-oomd IPC API for non-privileged users

Evidence notes

Official CVE Program record and NVD vulnerability detail page confirm local unprivileged users can terminate arbitrary local processes via systemd-oomd IPC API due to missing path traversal validation; limited additional context available. Evidence suggests that defenders should verify local process isolation and validate IPC API access controls to mitigate potential denial of service or privilege escalation attacks.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-15059 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-15059

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-15059 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-15059

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/systemd/systemd/security/advisories/GHSA-652q-wxr6-h5j6

    98a521c5-3a3e-4e2b-bc27-002067e0463c

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.