🛡️ CVE-2026-31843 — pay-uz

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-284 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

goodoneuz/pay-uz: the /payment/api/editable/update endpoint overwrites existing PHP payment hook files

The goodoneuz/pay-uz Laravel package (<= 2.2.24) contains a critical vulnerability in the /payment/api/editable/update endpoint that allows unauthenticated attackers to overwrite existing PHP payment hook files. The endpoint is exposed via Route::any() without authentication middleware, enabling remote access without credentials. User-controlled input is directly written into executable PHP files using file_put_contents(). These files are later executed via require() during normal payment processing workflows, resulting in remote code execution under default application behavior. The payment secret token mentioned by the vendor is unrelated to this endpoint and does not mitigate the vulnerability.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-31843 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2026-31843 is recorded against 2 packages.

  • goodoneuz/pay-uz (fixed in 3.0.0)
  • unknown

Timeline and source

Published on 16 April 2026 and last revised on 27 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
packagist.org (Web)

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-284
Public Exploit ✅ No
Source NVD
Published 2026-04-16
Updated 2026-08-12
Modified 2026-07-27
Fix URL N/A

Affected Packages

Software From version Fixed in
goodoneuz/pay-uz — 3.0.0
unknown — —

Exploit Protection

Are you running pay-uz?

CVE-2026-31843 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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