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CVE-2026-17543SQL injection in ext-pgsql via E'...' backslash breakout
Improper escaping of backslashes in attacker-provided parameters would allow for trivial SQL injection in PHP versions from 8.2.* before 8.2.33, from 8.3.* before 8.3.33, from 8.4.* before 8.4.24, and from 8.5.* before 8.5.9.
8.1 HIGHEPSS 0.33%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.1 | HIGH | 4.0php (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-17543
- Status
- Analyzed
- Assigner (CNA)
- php
- Published
- Jul 30, 2026
- Last modified
- 2026-10-23 22:10 UTC
- Weaknesses
- CWE-89 · Improper neutralization of special elements used in an SQL command ('SQL injection')
Affected Products
As published by the CNA in the CVE record.
PHP GroupPHP4 version ranges
- 8.2.x before 8.2.33
- 8.3.x before 8.3.33
- 8.4.x before 8.4.24
- 8.5.x before 8.5.9