CVE-2026-15607
CVE-2026-15607 — tanstack db Alias Path select.ts select prototype pollution
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.
Published Updated Sources: cvelistV5, VulDB
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
0%
chance of exploitation in 30 days
CVSS base
4.3
MEDIUM
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
PoC
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 4.3 | CVSS 3.1 | MEDIUM | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-1321
- CWE-94
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1574.010Hijack Execution Flow: ServicesFile Permissions Weakness
- T1027.006Obfuscated Files or Information: HTML Smuggling
- T1027.009Obfuscated Files or Information: Embedded Payloads
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Search application, proxy, and WAF logs for requests touching /query/compiler/select.ts.
References
8 on the record
- vuldb.com/vuln/378115
vdb-entry, technical-description
- vuldb.com/vuln/378115/cti
signature, permissions-required
- vuldb.com/cve/CVE-2026-15607
third-party-advisory
- vuldb.com/submit/855677
third-party-advisory
- github.com/TanStack/db/issues/1584
exploit, issue-tracking
- github.com/TanStack/db/pull/1595
issue-tracking, patch
- github.com/TanStack/db/commit/ac09b1177a100eafa85cba3cd09dd1f53f933ded
patch
- github.com/TanStack/db/
product
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.