GHSA-3j7m-5g4q-gfpc — medium GitHub Advisory (CVE-2025-58758) in composer/datahihi1/tiny-env

Description

Impact

TinyEnv did not require the .env file to exist when loading environment variables.
This could lead to unexpected behavior where the application silently ignores missing configuration, potentially causing insecure defaults or deployment misconfigurations.

Affected versions:
- 1.0.1 → 1.0.2
- 1.0.9 → 1.0.10

Patches

The issue has been fixed in version 1.0.11.
All users should upgrade to 1.0.11 or later.

Workarounds

As a workaround, users can manually verify the existence of the .env file before initializing TinyEnv, for example:

```php
if (!file_exists(DIR . '/.env')) {
throw new RuntimeException('.env file is missing!');
}

Basic information

Type: reviewed
Severity: medium
Advisory on GitHub: Open advisory ↗
Repository advisory: Open repository advisory ↗
Source code: Browse source ↗
Published (advisory): 2025-09-09 20:59:52 UTC
Updated: 2025-09-10 21:08:16 UTC
GitHub reviewed: 2025-09-09 20:59:52 UTC
NVD published: 2025-09-09

Score	Percentile
0.04%	12.49%

CVSS Scores

Base score	Version	Severity	Vector
5.1	3.1	—	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. 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:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:N) Service keeps running; no real outage angle.

Identifiers

Type	Value
GHSA	GHSA-3j7m-5g4q-gfpc ↗
CVE	CVE-2025-58758 ↗

CWEs

CWE id	Name
CWE-703	Improper Check or Handling of Exceptional Conditions

Affected packages (2)

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

Ecosystem	Package	Vulnerable range	First patched	Vulnerable functions
composer	datahihi1/tiny-env	< 1.0.3	1.0.3	—
composer	datahihi1/tiny-env	>= 1.0.9, < 1.0.11	1.0.11	—

TinyEnv: Missing .env file not required — may cause unexpected behavior