Read 2026-10-22
timescale/timescaledb: technical due diligence, read from its repository
What Borehole read in timescale/timescaledb's code and history at ab5dfab: its licence, security advisories, releases, review practice, tests, dependencies and operations. Every finding cites the file and line it rests on. The full report also covers the team and asks the questions the code cannot answer.
| Dimension | Rating |
|---|---|
| Architecture & Codebase — including AI provenance | strong |
| Engineering Process & SDLC Maturity | strong |
| Product & Engineering Maturity | strong |
| Security & Reliability Posture | not assessable |
| Observability & Operations | not assessable |
| Fit with the Acquirer | not assessable |
What the repository says
- Releases are cut from another branch than the one surveyed
CONTRIBUTING.md:150: states a policy on AI-generated contributionsREADME.md:376: names OpenSSF
Architecture & Codebase — including AI provenance
strongsrc/process_utility.c is 6,819 lines, 87× this codebase's median file
adequateThe median source file here is 78 lines. 52 files exceed 1,000 lines, the largest being 6,819. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.
src/process_utility.c:1 — 6,819 lines (87× median) |
src/chunk.c:1 — 5,500 lines (70× median) |
src/nodes/modify_hypertable_exec.c:1 — 4,077 lines (52× median) |
tsl/src/compression/compression.c:1 — 3,865 lines (49× median) |
tsl/src/nodes/columnar_scan/columnar_scan.c:1 — 3,848 lines (49× median) |
Engineering Process & SDLC Maturity
strongNo finding.
Product & Engineering Maturity
strongReleases are cut from another branch than the one surveyed
adequateThe newest release, 2.31.0, is not on the branch this survey read; the newest release on it is 1.1.0. The shipped product may differ from what this report describes. Survey the release branch too.
| tag 2.31.0 |
Security & Reliability Posture
not assessableThe build runs third-party code it does not pin
adequate7 third-party CI actions are referenced by a tag or branch rather than a commit, so they run whatever that tag points to on the day. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.
.github/workflows/release_release.yml:81 — action pinned by tag |
.github/workflows/release_sanity.yml:180 — action pinned by tag |
5 advisories against this project in the last 24 months, 5 high or critical
adequateThe newest was published on 2026-08-06. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. Whether 1 of them are fixed in the code you ship could not be told from this history: its version is only known to be at least 1.1.0. Answer lives in: the release you run, set against each fixed version. CVE-2026-70633 (high), CVE-2026-70634 (high), CVE-2026-70635 (high) are fixed in the surveyed commit; which release carries them cannot be told from this history, which does not place the release users run. Answer lives in: the version you run. The record is incomplete: NVD: 1 record names timescaledb with nothing tying it to this repository (CVE-2026-71276).
| 2026-08-06: GHSA-hcfx-29v5-2rcw (high), fixed in 2.29.1: TimescaleDB 2.7.0 through 2.29.0 missing permission checks in chunk management functions |
| 2026-08-06: CVE-2026-70633 (high): TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability in the Gorilla compression reverse row iterator that allows au |
| 2026-08-06: CVE-2026-70634 (high): TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read in the Dictionary compression reverse row iterator (tsl/src/compression/algo |
| 2026-08-06: CVE-2026-70635 (high): TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability that allows authenticated attackers to cause query-result inte |
| 2026-03-03: GHSA-vgp2-jj5c-828m (high), fixed in 2.25.2: TimescaleDB 2.23.0 through 2.25.1 uses untrusted search path during extension upgrade |
Observability & Operations
not assessableNot rated: only 4 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it.
Fit with the Acquirer
not assessableNot rated: structurally not assessable from a repository.
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The full report on timescale/timescaledb: every dimension, the questions for the room, and the audit log.
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