Vulnerability · Published Sep 20, 2026 · Assigned by VulDB

CVE-2026-93957olivier-ls PHP-FTS Filter Matching SearchEngine.php matchesSingleFilter comparison

Medium 4.3

In plain English

A medium-severity security flaw in PHP-FTS from olivier-ls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.5%top 57.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in olivier-ls PHP-FTS up to 1.1.3. This affects the function SearchEngine::matchesSingleFilter of the file src/SearchEngine.php of the component Filter Matching. The manipulation leads to incorrect comparison. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 1.1.4 is able to mitigate this issue. The identifier of the patch is 0b2fae333d6b022da7ed4c43e2d41aa03f91dff3. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Affected products (as reported)

Vendor	Product	Versions
olivier-ls	PHP-FTS	1.1.01.1.11.1.21.1.3

Weakness: CWE-697 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

References

VDB-407916 | olivier-ls PHP-FTS Filter Matching SearchEngine.php matchesSingleFilter comparison vdb-entry, technical-description
VDB-407916 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-93957 | CVE Analysis and Report third-party-advisory
Submit #943923 | olivier-ls PHP-FTS 0.1 Incorrect Comparison third-party-advisory
https://github.com/olivier-ls/php-fts/issues/2 issue-tracking
https://github.com/sumo166/CVE-apply/blob/main/olivier-ls/PHP-FTS/SearchEngine%20matchesSingleFilter%20Loose%20Comparison%20Filter%20Bypass%20(CWE-697)_cve.md broken-link, exploit
https://github.com/olivier-ls/php-fts/commit/0b2fae333d6b022da7ed4c43e2d41aa03f91dff3 patch
https://github.com/olivier-ls/php-fts/releases/tag/v1.1.4 patch
https://github.com/olivier-ls/php-fts/ product