CVE-2026-48784Symfony is a PHP framework for web and console applications and a set of reusable PHP components.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, UrlGenerator::doGenerate() used strtr() dot-segment encoding that skipped every other chained ../ or ./ segment, allowing attacker-controlled route parameters to generate URLs that collapse to a different path under RFC 3986 normalization. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13.
- CVSS
- 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-172, CWE-601
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sensiolabs symfony sensiolabs:symfony | before 5.4.53; from 6.0.0 before 6.4.41; from 7.0.0 before 7.4.13; from 8.0.0 before 8.0.13 | NVD |
References
- https://github.com/symfony/symfony/commit/4b63c3a3f7af04ecd79c89a594b0b02a01990b1dpatch
- https://github.com/symfony/symfony/releases/tag/v5.4.53product, release-notes
- https://github.com/symfony/symfony/releases/tag/v6.4.41product, release-notes
- https://github.com/symfony/symfony/releases/tag/v7.4.13product, release-notes
- https://github.com/symfony/symfony/security/advisories/GHSA-h5x3-xfc9-m39hpatch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.