PatchTheCVECVE-2026-118391: Allocation of Resources Without Limits or Throttling vulnerability in elixir-ecto ecto allows an unauthenticat
CVE-2026-118391 is a high-severity flaw (CVSS 8.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Allocation of Resources Without Limits or Throttling vulnerability in elixir-ecto ecto allows an unauthenticated remote attacker to exhaust memory in the application and in the database server by sending requests with distinct JSON keys or list lengths where the application interpolates them into json_extract_path/2, field[^key] or splice/1. Ecto caches prepared queries per repository in an ETS table with no size limit and no eviction. Interpolat
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.9 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-770 |
| Published | 2026-11-04 |
| Last modified | 2026-11-04 |
Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- Vulners Bulletins: CVE-2026-118391 2026-11-04
- Vulners Bulletins: CVE-2026-118391 Unbounded query cache growth from interpolated JSON paths and splice lists in Ecto 2026-11-04
- Vulners Bulletins: EEF-CVE-2026-118391 Unbounded query cache growth from interpolated JSON paths and splice lists in Ecto 2026-11-04
- Vulners Bulletins: CVE-2026-118391 Unbounded query cache growth from interpolated JSON paths and splice lists in Ecto 2026-11-04
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-118391?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-118391 being exploited?
CVE-2026-118391 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-118391 affect?
CVE-2026-118391 affects affected software. Severity is high (CVSS 8.9). Allocation of Resources Without Limits or Throttling vulnerability in elixir-ecto ecto allows an unauthenticated remote attacker to exhaust memory in the application and in the database server by sending requests with distinct JSON keys or
How urgent is CVE-2026-118391?
Priority 36/100. High severity; Remotely exploitable, no login, no user action