Vulnerability-Lookup

GHSA-4C67-8Q63-XRXQ

Vulnerability from github – Published: 2026-01-21 00:31 – Updated: 2026-01-21 00:31

Details

The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

Severity ?

5.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-15366"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-20T22:15:51Z",
    "severity": "MODERATE"
  },
  "details": "The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.",
  "id": "GHSA-4c67-8q63-xrxq",
  "modified": "2026-01-21T00:31:42Z",
  "published": "2026-01-21T00:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15366"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/issues/143921"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/pull/143922"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/6262704b134db2a4ba12e85ecfbd968534f28b45"
    },
    {
      "type": "WEB",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/DD7C7JZJYTBXMDOWKCEIEBJLBRU64OMR"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-15366 (GCVE-0-2025-15366)

Vulnerability from cvelistv5 – Published: 2026-01-20 21:40 – Updated: 2026-01-22 04:55

Title

IMAP command injection in user-controlled commands

Summary

The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

Severity ?

5.9 (Medium)


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

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

PSF

References

URL

Tags

	https://github.com/python/cpython/issues/143921	issue-tracking
	https://github.com/python/cpython/pull/143922	patch
	https://mail.python.org/archives/list/security-an…	vendor-advisory
	https://github.com/python/cpython/commit/6262704b…	patch

Impacted products

	Vendor	Product	Version
	Python Software Foundation	CPython	Affected: 0 , < 3.15.0 (python)

Credits

Omar M. Hasan

Show details on NVD website

JSON

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        "metrics": [
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              "content": {
                "id": "CVE-2025-15366",
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                  },
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-4C67-8Q63-XRXQ

CVE-2025-15366 (GCVE-0-2025-15366)

Tags

Sightings

Nomenclature