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TI-2026-14390 Aliases CVE-2026-17543

SQL injection in ext-pgsql via E'...' backslash breakout

Priority MEDIUM 43CWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
SQL injection
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-89.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0033 26th percentileScored 2026-11-07
Fix Partial PHP (PHP Group): 8.2.33, 8.3.33, 8.4.24 +1Red Hat: 8 advisoriesRed Hat: 4 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHPbefore 8.2.33; before 8.3.33; before 8.4.24; before 8.5.98.2.33, 8.3.33, 8.4.24, 8.5.9Patch availableCNA
  • PHP VendorPHP Group Affected before 8.2.33; before 8.3.33; before 8.4.24; before 8.5.9 Fixed in 8.2.33, 8.3.33, 8.4.24, 8.5.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*8.2.0 to before 8.2.33; 8.3.0 to before 8.3.33; 8.4.0 to before 8.4.24; 8.5.0 to before 8.5.9VulnerablePHP
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 8.2.0 to before 8.2.33; 8.3.0 to before 8.3.33; 8.4.0 to before 8.4.24; 8.5.0 to before 8.5.9 Vulnerable ·PHP

Remediation

  • Fix · CNA PHP (PHP Group) Fixed in 8.2.33, 8.3.33, 8.4.24, 8.5.9

Red Hat 8 advisories

  • RHSA-2026:62614 Released 2026-09-02 · Red Hat rating Important
    php security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) php-8.3.33-1.el10_2, php-bcmath-8.3.33-1.el10_2, php-cli-8.3.33-1.el10_2 +22
  • RHSA-2026:62334 Released 2026-09-01 · Red Hat rating Important
    php:7.4 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.18-1.module+el8.10.0+22485+a3539972.noarch::php:7.4, libzip-1.6.1-1.module+el8.10.0+22485+a3539972.aarch64::php:7.4, libzip-1.6.1-1.module+el8.10.0+22485+a3539972.ppc64le::php:7.4 +47
  • RHSA-2026:61903 Released 2026-09-01 · Red Hat rating Important
    php:8.2 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) apcu-panel-5.1.23-1.module+el9.7.0+24111+199d2cc4.noarch::php:8.2, php-8.2.33-1.module+el9.8.0+24630+45254c6a.aarch64::php:8.2, php-8.2.33-1.module+el9.8.0+24630+45254c6a.ppc64le::php:8.2 +47
Show 5 more Red Hat advisories
  • RHSA-2026:61259 Released 2026-08-31 · Red Hat rating Low
    php security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) php-8.0.30-8.el9_8, php-bcmath-8.0.30-8.el9_8, php-cli-8.0.30-8.el9_8 +22
  • RHSA-2026:57574 Released 2026-08-20 · Red Hat rating Important
    php:8.2 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.23-1.module+el8.10.0+20770+a5eca186.noarch::php:8.2, libzip-1.7.3-1.module+el8.10.0+20770+a5eca186.aarch64::php:8.2, libzip-1.7.3-1.module+el8.10.0+20770+a5eca186.ppc64le::php:8.2 +47
  • RHSA-2026:57539 Released 2026-08-20 · Red Hat rating Important
    php:8.3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) apcu-panel-5.1.23-1.module+el9.8.0+24343+756b4fcd.noarch::php:8.3, php-8.3.33-1.module+el9.8.0+24633+17f8e765.aarch64::php:8.3, php-8.3.33-1.module+el9.8.0+24633+17f8e765.ppc64le::php:8.3 +47
  • RHSA-2026:56969 Released 2026-08-19 · Red Hat rating Important
    php8.4 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) php8.4-8.4.24-1.el10_2, php8.4-bcmath-8.4.24-1.el10_2, php8.4-cli-8.4.24-1.el10_2 +22
  • RHSA-2026:47200 Released 2026-07-28 · Red Hat rating Critical
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images php-8.5.9-1.hum1@aarch64, php-8.5.9-1.hum1@src, php-8.5.9-1.hum1@x86_64 +47

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    PHP 8.2.33, 8.3.33 and 2 more versions

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-06374 Stack overflow in phar with circular symlinksPriority LOW 23
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:56969, RHSA-2026:62614
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:57574, RHSA-2026:62334
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:57539, RHSA-2026:61259, RHSA-2026:61903
Red Hat Hardened ImagesFixed RHSA-2026:47200
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-17543

References

Advisory 1

  • TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
  • TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
  • TI-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
  • TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
  • TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences