Vulnerability-Lookup

CVE-2026-49211 (GCVE-0-2026-49211)

Vulnerability from cvelistv5 – Published: 2026-07-17 16:14 – Updated: 2026-07-17 16:41

Title

Symfony UX: Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Summary

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause() builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping SQL LIKE wildcards (%, _, \), allowing unauthenticated users to turn the public BaseEntityAutocompleteType endpoint into a broad matcher or blind boolean oracle against every column in default searchable_fields. This issue is fixed in versions 2.36.0 and 3.1.0.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-17 16:41 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/symfony/ux/security/advisories…	x_refsource_CONFIRM
https://github.com/symfony/ux/commit/725ab3d40689…	x_refsource_MISC
https://github.com/symfony/ux/releases/tag/v2.36.0	x_refsource_MISC
https://github.com/symfony/ux/releases/tag/v3.1.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
symfony	ux	Affected: >= 3.0.0, < 3.1.0 Affected: >= 2.2.0, < 2.36.0	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-49211

Vulnerability from fkie_nvd - Published: 2026-07-17 17:17 - Updated: 2026-07-20 16:56

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/symfony/ux/commit/725ab3d40689c91ff19ad2d01940a30007769214	Patch
security-advisories@github.com	https://github.com/symfony/ux/releases/tag/v2.36.0	Release Notes
security-advisories@github.com	https://github.com/symfony/ux/releases/tag/v3.1.0	Release Notes
security-advisories@github.com	https://github.com/symfony/ux/security/advisories/GHSA-946h-jp5c-8fvh	Vendor Advisory

Impacted products

	Vendor	Product	Version
	symfony	ux	*
	symfony	ux	3.0.0

JSON

To clipboard

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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-49211",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-17T16:41:23.015801Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-17T17:17:15.790",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/symfony/ux/commit/725ab3d40689c91ff19ad2d01940a30007769214"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/symfony/ux/releases/tag/v2.36.0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/symfony/ux/releases/tag/v3.1.0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/symfony/ux/security/advisories/GHSA-946h-jp5c-8fvh"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

GHSA-946H-JP5C-8FVH

Vulnerability from github – Published: 2026-06-19 19:34 – Updated: 2026-06-19 19:34

Summary

symfony/ux-autocomplete: Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Details

Description

Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause() builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping the SQL LIKE wildcards (%, _, \). The value is passed as a bound parameter, so this is not SQL injection, but a client can send % to match every row or use _ as a single-character wildcard.

Because searchable_fields defaults to every property of the entity and the autocomplete endpoint is public by default (BaseEntityAutocompleteType ships with security => false), an unauthenticated user can turn the endpoint into a broad matcher or a blind boolean oracle against every column of the entity, including columns the application never intended to expose.

Resolution

EntitySearchUtil now escapes \, %, and _ in the user-supplied query with addcslashes() and appends an explicit ESCAPE '\' clause to the generated LIKE expression, so those characters are matched literally. The exact-match words_query IN() branch is unchanged.

The patch for this issue is available here for branch 2.x (and forward-ported to 3.x).

Credits

Symfony would like to thank Pascal Cescon for reporting the issue and providing the fix.

Severity

6.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "symfony/ux-autocomplete"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.2.0"
            },
            {
              "fixed": "2.36.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "symfony/ux-autocomplete"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-49211"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-19T19:34:53Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Description\n\n`Symfony\\UX\\Autocomplete\\Doctrine\\EntitySearchUtil::addSearchClause()` builds the `LIKE` expression used by the autocomplete endpoint by wrapping the client-supplied query in `%...%` without escaping the SQL `LIKE` wildcards (`%`, `_`, `\\`). The value is passed as a bound parameter, so this is not SQL injection, but a client can send `%` to match every row or use `_` as a single-character wildcard.\n\nBecause `searchable_fields` defaults to every property of the entity and the autocomplete endpoint is public by default (`BaseEntityAutocompleteType` ships with `security =\u003e false`), an unauthenticated user can turn the endpoint into a broad matcher or a blind boolean oracle against every column of the entity, including columns the application never intended to expose.\n\n### Resolution\n\n`EntitySearchUtil` now escapes `\\`, `%`, and `_` in the user-supplied query with `addcslashes()` and appends an explicit `ESCAPE \u0027\\\u0027` clause to the generated `LIKE` expression, so those characters are matched literally. The exact-match `words_query` `IN()` branch is unchanged.\n\nThe patch for this issue is available [here](https://github.com/symfony/ux/commit/725ab3d40689c91ff19ad2d01940a30007769214) for branch 2.x (and forward-ported to 3.x).\n\n### Credits\n\nSymfony would like to thank Pascal Cescon for reporting the issue and providing the fix.",
  "id": "GHSA-946h-jp5c-8fvh",
  "modified": "2026-06-19T19:34:53Z",
  "published": "2026-06-19T19:34:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/symfony/ux/security/advisories/GHSA-946h-jp5c-8fvh"
    },
    {
      "type": "WEB",
      "url": "https://github.com/symfony/ux/commit/725ab3d40689c91ff19ad2d01940a30007769214"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/ux-autocomplete/CVE-2026-49211.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/symfony/ux"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "symfony/ux-autocomplete: Information exposure via unescaped LIKE wildcards in EntitySearchUtil"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

CVE-2026-49211 (GCVE-0-2026-49211)

FKIE_CVE-2026-49211

GHSA-946H-JP5C-8FVH

Description

Resolution

Credits

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