CVE-2025-50983: readarr SQL Injection — Exploit

Description

SQL Injection vulnerability exists in the sortKey parameter of the GET /api/v1/wanted/cutoff API endpoint in readarr 0.4.15.2787. The endpoint fails to properly sanitize user-supplied input, allowing attackers to inject and execute arbitrary SQL commands against the backend SQLite database. Sqlmap confirmed exploitation via stacked queries, demonstrating that the parameter can be abused to run arbitrary SQL statements. A heavy query was executed using SQLite's RANDOMBLOB() and HEX() functions to simulate a time-based payload, indicating deep control over database interactions.

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CVSS v3.1 Score

8.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor	Product	Versions
readarr	readarr	All

References

Exploits

https://github.com/4rdr/proofs/blob/main/info/readarr-0.4.15.2787-sql-injection-via-sortkey-parameter.md

Frequently Asked Questions

What is CVE-2025-50983? +

SQL Injection vulnerability exists in the sortKey parameter of the GET /api/v1/wanted/cutoff API endpoint in readarr 0.4.15.2787. The endpoint fails to properly sanitize user-supplied input, allowing attackers to inject and execute arbitrary SQL commands against the backend SQLite database. Sqlmap confirmed exploitation via stacked queries, demonstrating that the parameter can be abused to run arbitrary SQL statements. A heavy query was executed using SQLite's RANDOMBLOB() and HEX() functions to simulate a time-based payload, indicating deep control over database interactions. It has a CVSS v3.1 base score of 8.3 (HIGH).

How severe is CVE-2025-50983? +

CVE-2025-50983 has a CVSS v3.1 score of 8.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-50983? +

CVE-2025-50983 affects products from readarr, specifically: readarr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-50983? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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