Vulnerability-Lookup

CNVD-2026-26111

Vulnerability from cnvd - Published: 2026-07-02

Title

Mozilla Firefox for iOS输入验证错误漏洞

Description

Mozilla Firefox for iOS是Mozilla基金会的移动端网页浏览器。 Mozilla Firefox for iOS存在输入验证错误漏洞，该漏洞源于TemporaryDocument中存在跨源HTTP重定向时保留初始PDF请求设置的cookies问题，攻击者可利用该漏洞导致恶意站点向不相关目标域名的请求中注入任意cookies。

Severity

中

Patch Name

Mozilla Firefox for iOS输入验证错误漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://bugzilla.mozilla.org/show_bug.cgi?id=2043204

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=2043204

Impacted products

Name
Mozilla Firefox for iOS <152.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-53900",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-53900"
    }
  },
  "description": "Mozilla Firefox for iOS\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u79fb\u52a8\u7aef\u7f51\u9875\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox for iOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eTemporaryDocument\u4e2d\u5b58\u5728\u8de8\u6e90HTTP\u91cd\u5b9a\u5411\u65f6\u4fdd\u7559\u521d\u59cbPDF\u8bf7\u6c42\u8bbe\u7f6e\u7684cookies\u95ee\u9898\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6076\u610f\u7ad9\u70b9\u5411\u4e0d\u76f8\u5173\u76ee\u6807\u57df\u540d\u7684\u8bf7\u6c42\u4e2d\u6ce8\u5165\u4efb\u610fcookies\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=2043204",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-26111",
  "openTime": "2026-07-02",
  "patchDescription": "Mozilla Firefox for iOS\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u79fb\u52a8\u7aef\u7f51\u9875\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox for iOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eTemporaryDocument\u4e2d\u5b58\u5728\u8de8\u6e90HTTP\u91cd\u5b9a\u5411\u65f6\u4fdd\u7559\u521d\u59cbPDF\u8bf7\u6c42\u8bbe\u7f6e\u7684cookies\u95ee\u9898\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6076\u610f\u7ad9\u70b9\u5411\u4e0d\u76f8\u5173\u76ee\u6807\u57df\u540d\u7684\u8bf7\u6c42\u4e2d\u6ce8\u5165\u4efb\u610fcookies\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Firefox for iOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox for iOS \u003c152.0"
  },
  "referenceLink": "https://bugzilla.mozilla.org/show_bug.cgi?id=2043204",
  "serverity": "\u4e2d",
  "submitTime": "2026-06-22",
  "title": "Mozilla Firefox for iOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2026-53900 (GCVE-0-2026-53900)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:53 – Updated: 2026-06-16 14:37

Title

Cookie injection was possible when opening a PDF link

Summary

Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-16 14:37 UTC

CWE

CWE-345 - Insufficient Verification of Data Authenticity
CWE-384 - Session Fixation

Assigner

mozilla mitre root

References

2 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2043204
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

1 product

Vendor	Product	Version
Mozilla	Firefox for iOS	Unaffected: 152.0 , ≤ * (rpm)

Credits

Muneaki Nishimura

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-53900",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-16T14:37:25.312079Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-345",
                "description": "CWE-345 Insufficient Verification of Data Authenticity",
                "lang": "en",
                "type": "CWE"
              }
            ]
          },
          {
            "descriptions": [
              {
                "cweId": "CWE-384",
                "description": "CWE-384 Session Fixation",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-16T14:37:32.358Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox for iOS",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "152.0",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Muneaki Nishimura"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0."
            }
          ],
          "value": "Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-16T11:53:05.773Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2043204"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-56/"
        }
      ],
      "title": "Cookie injection was possible when opening a PDF link"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-53900",
    "datePublished": "2026-06-16T11:53:05.773Z",
    "dateReserved": "2026-06-11T06:20:46.258Z",
    "dateUpdated": "2026-06-16T14:37:32.358Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2026-26111

CVE-2026-53900 (GCVE-0-2026-53900)

Tags

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Nomenclature

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