Vulnerability-Lookup

CVE-2026-11820 (GCVE-0-2026-11820)

Vulnerability from cvelistv5 – Published: 2026-06-23 19:53 – Updated: 2026-06-25 23:23

Title

Community.general: community.general nexmo — api credentials exposed in get url query string[security] community.general nexmo — api credentials exposed in get url query string

Summary

A flaw was found in the community.general Ansible collection's nexmo module. The module constructs HTTP requests to the Vonage/Nexmo SMS API by encoding API credentials (api_key and api_secret) into URL query parameters and sending them via GET requests. This causes credentials to be exposed in web server access logs, proxy logs, HTTP Referer headers, and network monitoring tools, despite the Ansible argument specification marking these parameters as no_log. An attacker with access to any of these logging or monitoring points can obtain the full API credentials and gain unauthorized access to the victim's Vonage/Nexmo account.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-532 - Insertion of Sensitive Information into Log File

Assigner

redhat

References

2 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2026-11820	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2488970	issue-trackingx_refsource_REDHAT

Impacted products

3 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Date Public

2026-06-15 01:00

Credits

Red Hat would like to thank Bipin Saud (https://www.linkedin.com/in/bipinsaud/) for reporting this issue.

Show details on NVD website

JSON

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GHSA-87GP-WMHR-WGCW

Vulnerability from github – Published: 2026-06-23 21:30 – Updated: 2026-06-26 00:32

Details

Module: plugins/modules/nexmo.py

CVSS 3.1: 6.5 MEDIUM — AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Issue: api_key and api_secret are declared no_log=True at the input level, but both credentials are immediately URL-encoded into a GET request as query parameters, bypassing all no_log protection.

Vulnerable Code (lines 82-93):

msg = { "api_key": module.params.get("api_key"), "api_secret": module.params.get("api_secret"), "from": module.params.get("src"), "text": module.params.get("msg"), } url = f"{NEXMO_API}?{urlencode(msg)}" response, info = fetch_url(module, url, headers=headers)

Observed Output:

https://rest.nexmo.com/sms/json?api_key=a1b2c3d4&api_secret=MyS3cr3tK3y!!&from=AnsibleBot&to=15551234567&text=Hello

Exposure Vectors:

Ansible verbose output (-vvv) logs the full request URL

Vonage/Nexmo server access logs record credentials in query string

HTTP proxies, SIEM, and network inspection tools capture the full URL

AWX/Automation Controller network debug logs

Fix: Switch to POST with credentials in the request body:

data = urlencode({"api_key": api_key, "api_secret": api_secret, "from": src, "to": number, "text": msg}) fetch_url(module, NEXMO_API, data=data, method="POST", headers={"Content-Type": "application/x-www-form-urlencoded"})

Severity

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-11820"
  ],
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    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-23T21:16:54Z",
    "severity": "MODERATE"
  },
  "details": "Module: plugins/modules/nexmo.py\n\nCVSS 3.1: 6.5 MEDIUM \u2014 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N \n\nIssue: api_key and api_secret are declared no_log=True at the input level, but both credentials are immediately URL-encoded into a GET request as query parameters, bypassing all no_log protection. \n\nVulnerable Code (lines 82-93):\n\nmsg = {\n\"api_key\": module.params.get(\"api_key\"),\n\"api_secret\": module.params.get(\"api_secret\"),\n\"from\": module.params.get(\"src\"),\n\"text\": module.params.get(\"msg\"),\n}\nurl = f\"{NEXMO_API}?{urlencode(msg)}\"\nresponse, info = fetch_url(module, url, headers=headers)\n\nObserved Output:\n\nhttps://rest.nexmo.com/sms/json?api_key=a1b2c3d4\u0026api_secret=MyS3cr3tK3y!!\u0026from=AnsibleBot\u0026to=15551234567\u0026text=Hello\n\nExposure Vectors: \n\nAnsible verbose output (-vvv) logs the full request URL \n\nVonage/Nexmo server access logs record credentials in query string \n\nHTTP proxies, SIEM, and network inspection tools capture the full URL \n\nAWX/Automation Controller network debug logs\n\nFix: Switch to POST with credentials in the request body:\n\ndata = urlencode({\"api_key\": api_key, \"api_secret\": api_secret,\n\"from\": src, \"to\": number, \"text\": msg})\nfetch_url(module, NEXMO_API, data=data, method=\"POST\",\nheaders={\"Content-Type\": \"application/x-www-form-urlencoded\"})",
  "id": "GHSA-87gp-wmhr-wgcw",
  "modified": "2026-06-26T00:32:03Z",
  "published": "2026-06-23T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11820"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-11820"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488970"
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      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-11820 (GCVE-0-2026-11820)

GHSA-87GP-WMHR-WGCW

Tags

Sightings

Nomenclature