CVE-2025-62527: Taguette Taguette Password Reset Link Poisoning Vulnerability

HIGH
Advisory Identifier: GHSA-7rc8-5c8q-jr6j
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CVSS 7.1
CWE-15
Published
Advisory Summary

CVE-2025-62527 is a HIGH (CVSS 7.1) taguette password reset link poisoning vulnerability (CWE-15: External Control of System or Configuration Setting) affecting Taguette libraries in the PyPI ecosystem. The issue involves taguette password reset link poisoning. Remediation is available by upgrading affected packages to version 1.5.0.

CVE-2025-62527 at a Glance

CVE Identifier CVE-2025-62527
GHSA Identifier GHSA-7rc8-5c8q-jr6j
Severity HIGH
CVSS v3.1 Base Score 7.1
CWE Classification CWE-15: External Control of System or Configuration Setting
Affected Product Taguette
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 7.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2025-62527

To remediate this vulnerability, upgrade all affected Taguette dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

taguette fixed: 1.5.0 
pip install taguette>=1.5.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show taguette

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2025-62527, inspect your installed packages using pip:

pip show taguette

Analyze the terminal output to locate any version of Taguette in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.0), your application is affected.

Note: The pip show taguette command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-15: External Control of System or Configuration Setting, where one or more system settings or configuration elements can be externally controlled by a user. In Taguette, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact An issue has been discovered in Taguette versions prior to 1.5.0. It was possible for an attacker to request password reset email containing a malicious link, allowing the attacker to set the email if clicked by the victim. ### Patches Users should upgrade to Taguette 1.5.0. ### References - https://gitlab.com/remram44/taguette/-/issues/331

CVE-2025-62527 Affected Taguette Versions

1 component(s)
Fixed Versions:
1.5.0
Product / Package Ecosystem Affected Versions Fixed Version
taguette
pypi/taguette
PyPI
< 1.5.0
1.5.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/remram44/taguette/security/advisories/GHSA-7rc8-5c8q-jr6j
NVD — CVE-2025-62527 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62527
Taguette Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/taguette/PYSEC-2025-187.yaml
Taguette Source Repository REPOSITORY
https://github.com/remram44/taguette
gitlab.com/remram44/taguette/-... WEB
https://gitlab.com/remram44/taguette/-/issues/331

Frequently Asked Questions

What is CVE-2025-62527?
CVE-2025-62527 is a security vulnerability in Taguette involving Taguette password reset link poisoning under CWE-15: External Control of System or Configuration Setting.
Which Taguette versions are affected?
Affected versions include releases prior to 1.5.0 across affected packages: taguette.
What version fixes CVE-2025-62527?
Upgrading to 1.5.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is taguette affected?
Yes, taguette is affected in releases prior to 1.5.0. Upgrade your dependency to 1.5.0 or later.
What is the CVSS score of CVE-2025-62527?
CVE-2025-62527 has a CVSS v3.1 base score of 7.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.
What CWE is associated with CVE-2025-62527?
CVE-2025-62527 is classified under CWE-15: External Control of System or Configuration Setting (One or more system settings or configuration elements can be externally controlled by a user.).
How can I check PyPI dependencies for CVE-2025-62527?
Run the dependency tree command: 'pip show taguette'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-7rc8-5c8q-jr6j",
  "modified" : "2026-06-08T19:50:30Z",
  "published" : "2025-10-20T20:08:45Z",
  "aliases" : [ "CVE-2025-62527" ],
  "summary" : "Taguette password reset link poisoning",
  "details" : "### Impact\nAn issue has been discovered in Taguette versions prior to 1.5.0. It was possible for an attacker to request password reset email containing a malicious link, allowing the attacker to set the email if clicked by the victim.\n\n### Patches\nUsers should upgrade to Taguette 1.5.0.\n\n### References\n- https://gitlab.com/remram44/taguette/-/issues/331",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "taguette"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/remram44/taguette/security/advisories/GHSA-7rc8-5c8q-jr6j"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-62527"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/taguette/PYSEC-2025-187.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/remram44/taguette"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/remram44/taguette/-/issues/331"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-15" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-10-20T20:08:45Z",
    "nvd_published_at" : "2025-10-20T20:15:37Z"
  }
}