CVE-2026-17543— SQL injection in ext-pgsql via E'...' backslash breakout
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-17543
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
SQL injection in ext-pgsql via E'...' backslash breakout
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
php.net The PHP Interpreter SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
php group php是php group团队开源的一种服务器端脚本语言。 php.net The PHP Interpreter 8.2.33之前版本、8.3.33之前版本、8.4.24之前版本和8.5.9之前版本存在SQL注入漏洞，该漏洞源于攻击者提供的参数中反斜杠转义不当，可能导致SQL注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-17543
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-17543
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-17543 (1)
Same Patch Batch · PHP Group · 2026-07-30 · 3 CVEs total
| CVE-2026-17544 | 8.1 HIGH | Out-of-bounds write in bccomp() via crafted operand and scale |
| CVE-2026-7260 | 5.4 MEDIUM | Stack overflow in phar with circular symlinks |
IV. Related Vulnerabilities
Same product: PHP
- CVE-2026-7260
Stack overflow in phar with circular symlinks - CVE-2026-17544
Out-of-bounds write in bccomp() via crafted operand and scal - CVE-2026-14355
ext/openssl: Memory corruption in openssl_encrypt with AES-W - CVE-2026-7263
DoS attack via DOMNode::C14N() - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack
Same vendor: PHP Group
- CVE-2026-7260
Stack overflow in phar with circular symlinks - CVE-2026-17544
Out-of-bounds write in bccomp() via crafted operand and scal - CVE-2026-7263
DoS attack via DOMNode::C14N() - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD
Same weakness: CWE-89
- CVE-2026-65321
PyAthena 3.35.4 SQL Injection via DefaultParameterFormatter - CVE-2026-6453
CubeWP Framework <= 1.1.30 - Authenticated (Subscriber+) SQL - CVE-2026-17555
WPvivid <= 0.9.131 - Authenticated (Administrator+) SQL Inje - CVE-2026-15951
Icegram Mailer <= 1.0.12 - Authenticated (Administrator+) SQ - CVE-2026-15018
Database Collation Fix <= 1.2.10 - Unauthenticated SQL Injec
V. Comments for CVE-2026-17543
No comments yet