cvedb.io
CVE-2026-55078
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-07-07T23:16:55.510 · Last modified 2026-07-07T23:16:55.510

Summary

Coder allows organizations to provision remote development environments via Terraform. Starting in version 2.17.0 and prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, `POST /api/v2/files` converts zip uploads to tar in memory via `CreateTarFromZip`, which enforced a per-entry size limit but no aggregate limit on total decompressed output, writing to an unbounded in-memory buffer. Exploitation requires authenticated file-upload access and the impact is limited to availability (denial of service). The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 adds a metadata preflight check that sums projected entry sizes and a streaming writer that enforces the aggregate limit during decompression. As a workaround, restrict file-upload permissions to trusted users or place a reverse proxy with

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.