CVE-2026-15607

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-14. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 5 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was detected in tanstack db up to 0.6.8. Affected by this vulnerability is the function select of the file src/query/compiler/select.ts of the component Alias Path Handler. The manipulation results in improperly controlled modification of object prototype attributes. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as ac09b1177a100eafa85cba3cd09dd1f53f933ded. A patch should be applied to remediate this issue.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
16.7%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 15, 2026

Advisory Details (4)

Auto-updated Jul 14, 2026
Patch available. Sources: github_commit, github_pr.
github_pr Patch Available

fix(db): prevent prototype pollution via select() alias paths (#1584)

Patch available: TanStack/db @tanstack/[email protected] (PR #1595 merged 2026-06-26)

https://github.com/TanStack/db/pull/1595
generic

Prototype Pollution via `queryOnce().select()` Alias Handling · Issue #1584 · TanStack/db · GitHub

https://github.com/TanStack/db/issues/1584
github_commit Patch Available

commit ac09b1177a10 (TanStack/db)

Patch available: TanStack/db @tanstack/[email protected] (contains commit ac09b1177a10)

https://github.com/TanStack/db/commit/ac09b1177a100eafa85cba3cd09dd1f53f933ded
generic

GitHub - TanStack/db: The reactive client store for your API. · GitHub

https://github.com/TanStack/db/

Vendor Advisories for CVE-2026-15607(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:23 UTCNVD updateCVSS v4 → 2.1
  3. 2026-07-15 15:54 UTCMITRE cvelistV5CVSS v4 → 5.3
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-15 01:29 UTCEG score recompute
  6. 2026-07-15 01:29 UTCGHSA enrichment
  7. 2026-07-14 00:27 UTCNVD updateCVSS v4 → 2.1
  8. 2026-07-13 23:10 UTCEG score recompute
  9. 2026-07-13 23:09 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15607?
CVE-2026-15607 is a medium vulnerability published on July 13, 2026. A vulnerability was detected in tanstack db up to 0.6.8. Affected by this vulnerability is the function select of the file src/query/compiler/select.ts of the component Alias Path Handler. The manipulation results in improperly controlled modification of object prototype attributes. The attack may…
When was CVE-2026-15607 disclosed?
CVE-2026-15607 was first published in the National Vulnerability Database on July 13, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15607 actively exploited?
CVE-2026-15607 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15607?
CVE-2026-15607 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-15607?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15607, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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