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CVE-2026-124622— olivier-ls PHP-FTS Storage.php open toctou

Quick assessment

Affected
olivier-ls PHP-FTS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 olivier-ls PHP-FTS 1.1.3 及更早版本中发现了一个安全漏洞。该漏洞影响 Storage.php 文件中的 TrigramIndex::open 函数，可能导致“检查与使用之间的时间差”（TOCTOU）问题。攻击者需在本地执行攻击。升级到 1.1.4 版本可修复此问题，对应的补丁提交哈希为 0b2fae333d6b022da7ed4c43e2d41aa03f91dff3。建议升级受影响组件。 项目维护者说明如下：“该攻击要求除运行应用程序的用户之外的其他用户拥有索引目录的写权限。这属于真实的

CVSS 5.3 · Medium

Affected Version Matrix 5

VendorProduct Version RangeStatus
olivier-ls PHP-FTS 1.1.0 affected
1.1.1 affected
1.1.2 affected
1.1.3 affected
1.1.4 unaffected
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I. Basic Information for CVE-2026-124622

Vulnerability Information
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Vulnerability Title
olivier-ls PHP-FTS Storage.php open toctou
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in olivier-ls PHP-FTS up to 1.1.3. This impacts the function TrigramIndex::open of the file Storage.php. Such manipulation leads to time-of-check time-of-use. The attack needs to be performed locally. Upgrading to version 1.1.4 will fix this issue. The name of the patch is 0b2fae333d6b022da7ed4c43e2d41aa03f91dff3. Upgrading the affected component is recommended. The project maintainer explains: "[T]he attack requires write access to the index directory by a user other than the one running the application. That is a real shared-hosting scenario and worth defending against, which is why it is fixed but it is a hardening measure rather than a remotely reachable vulnerability, and the "Code Execution" impact additionally assumes the symlink target is a web-served .php file."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
olivier-ls PHP-FTS 1.1.0 cpe:2.3:a:olivier-ls:php-fts:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-124622

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III. Intelligence Information for CVE-2026-124622

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Vendor Pages for CVE-2026-124622 (1)

Other References for CVE-2026-124622 (2)

Other References for CVE-2026-124622 (4)

IV. Related Vulnerabilities

Same product: PHP-FTS
Same vendor: olivier-ls
Same weakness: CWE-367