Vulnerability-Lookup

CVE-2026-8500 (GCVE-0-2026-8500)

Vulnerability from cvelistv5 – Published: 2026-05-13 22:24 – Updated: 2026-05-14 17:41

Title

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE

Summary

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE. Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command. The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Severity

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-14 17:41 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 63/100 over 298 records in the last 180 days details

References

3 references

URL	Tags
https://metacpan.org/release/EVANK/Web-Passwd-0.03
https://httpd.apache.org/docs/current/programs/ht…
http://www.openwall.com/lists/oss-security/2026/05/13/8

Impacted products

1 product

Vendor	Product	Version	CPE status
EVANK	Web::Passwd	Affected: 0 , ≤ 0.03 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-8500

Vulnerability from fkie_nvd - Published: 2026-05-13 23:16 - Updated: 2026-10-26 14:10

Severity

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

Summary

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://httpd.apache.org/docs/current/programs/htpasswd.html
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/EVANK/Web-Passwd-0.03
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/05/13/8

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-JRW9-JQQP-JCQ9

Vulnerability from github – Published: 2026-05-14 00:31 – Updated: 2026-05-14 18:32

Details

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2026-8500"
  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
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    "severity": "CRITICAL"
  },
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  "modified": "2026-05-14T18:32:53Z",
  "published": "2026-05-14T00:31:57Z",
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    {
      "type": "WEB",
      "url": "https://metacpan.org/release/EVANK/Web-Passwd-0.03"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/13/8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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Publication & reservation Sightings KEV catalogs Other timestamps

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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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-8500 (GCVE-0-2026-8500)

FKIE_CVE-2026-8500

GHSA-JRW9-JQQP-JCQ9

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour