CVE-2026-77846

JSON path injection via unescaped get_path segments in AshSqlite

LOW
2.1
CVSS Score
Published: August 30, 2026 at 02:52 AM UTC
Updated: September 1, 2026 at 09:31 PM UTC
1 product affected across 1 vendorAshSqlite

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Severity
LOW2.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash_sqlite allows an attacker who controls a get_path/2 segment to traverse into nested JSON the application never exposed, disclosing private or sensitive? embedded fields. AshSqlite.SqlImplementation builds the SQLite json_extract path with "$." <> Enum.join(right, "."), so a single segment containing ., [, ], or $ re-interprets the JSON path (for example "private.secret" descends two levels instead of naming one key). The path is bound as a parameter, so this is confined to the JSON-path grammar rather than SQL. Any endpoint that lets user input reach a get_path segment (a common pick-a-field pattern) can read nested values it never meant to expose. This issue affects ash_sqlite: from 0.1.2-rc.0 before 0.2.18.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.1.2-rc.0 ≤ v < 0.2.180.1.2-rc.0c12be48a5b6295593199b0e445b70a4aef81d1cd
Vendor states this is fixed in 2138480fceb654bec1845e691517ac409d0232c3 (fixed)
Affected range stops below 0.2.18, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.1LOWEEF
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-943

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