Vulnerability-Lookup

FKIE_CVE-2026-95701

Vulnerability from fkie_nvd - Published: 2026-09-22 15:17 - Updated: 2026-09-22 16:18

Severity

5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

In MISP, the __statisticsOrgs method in UsersController.php used the organization name directly as a file-system path component when checking for the existence of an organization logo image. The original code called file_exists() with a path constructed as APP . 'webroot' . DS . 'img' . DS . 'orgs' . DS . $k . '.png', where $k is the organization name. Because the referenced directory (app/webroot/img/orgs) no longer exists in current MISP deployments (org logos were relocated to files/img/orgs), the check was functionally dead and never triggered. However, the underlying pattern—concatenating an attacker-influenced organization name into a file path without sanitization—constitutes a path traversal weakness. An organization name containing directory traversal sequences (e.g., '../../../../etc/passwd') would, if the target directory existed, allow an authenticated user with the ability to create or rename an organization to probe for the existence of arbitrary files on the server.

References

	URL	Tags
	5a6e4751-2f3f-4070-9419-94fb35b644e8	https://github.com/MISP/MISP/commit/a2f7cba6e

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "modules": [
            "UsersController::__statisticsOrgs"
          ],
          "product": "MISP",
          "programFiles": [
            "app/Controller/UsersController.php"
          ],
          "repo": "https://github.com/MISP/MISP",
          "vendor": "MISP",
          "versions": [
            {
              "lessThan": "2.5.47",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In MISP, the __statisticsOrgs method in UsersController.php used the organization name directly as a file-system path component when checking for the existence of an organization logo image. The original code called file_exists() with a path constructed as APP . \u0027webroot\u0027 . DS . \u0027img\u0027 . DS . \u0027orgs\u0027 . DS . $k . \u0027.png\u0027, where $k is the organization name. Because the referenced directory (app/webroot/img/orgs) no longer exists in current MISP deployments (org logos were relocated to files/img/orgs), the check was functionally dead and never triggered. However, the underlying pattern\u2014concatenating an attacker-influenced organization name into a file path without sanitization\u2014constitutes a path traversal weakness. An organization name containing directory traversal sequences (e.g., \u0027../../../../etc/passwd\u0027) would, if the target directory existed, allow an authenticated user with the ability to create or rename an organization to probe for the existence of arbitrary files on the server."
    }
  ],
  "id": "CVE-2026-95701",
  "lastModified": "2026-09-22T16:18:23.783",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/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",
          "version": "4.0",
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          "vulnIntegrityImpact": "NONE",
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        "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
        "type": "Secondary"
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        "ssvcData": {
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  "published": "2026-09-22T15:17:28.103",
  "references": [
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  "sourceIdentifier": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary"
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  ]
}

CVE-2026-95701 (GCVE-0-2026-95701)

Vulnerability from cvelistv5 – Published: 2026-09-22 14:44 – Updated: 2026-09-22 14:59

Title

MISP Path Traversal via Organization Name in Org-Statistics Logo Check

Summary

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-22 14:59 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

CIRCL ENISA root

References

1 reference

URL	Tags
https://github.com/MISP/MISP/commit/a2f7cba6e	patch

Impacted products

1 product

Vendor	Product	Version
MISP	MISP	Affected: 0 , < 2.5.47 (semver)

Credits

Jeroen Pinoy iglocska Claude Opus 4.8

GCVE extensions

AI-generated Human-reviewed Confidence: medium Model qwen3.8:27b advisory bcp-05-x-01bcp-05-x-02

AI involvement GCVE-BCP-05-X-01

Whole record AI-generated Human-reviewed GNA-1

Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. Human validation is required before publication.

ai-computer-assisted:llm-generatedai-computer-assisted:classification

Model	Source	Identifier
qwen3.8:27b	ollama	`qwen3.8:27b`

Patch provenance GCVE-BCP-05-X-02

Generator: patch2vuln.py on 2026-09-22 14:38
Model: qwen3.8:27b
Input: https://github.com/MISP/MISP/commit/a2f7cba6e.patch 79f69959d0bc…
Confidence: medium

Commit	Subject	Patch SHA-256
`a2f7cba6e74b`	fix: [ui] Point the org-statistics logo flag at the live	`79f69959d0bc…`

Fix summary

The fix corrects the logo directory path from the obsolete app/webroot/img/orgs to the current files/img/orgs location, expands the lookup to cover id, name, and uuid fields across png and svg extensions (mirroring the getOrgLogo helper), and adds a security guard: the candidate path is resolved with realpath() and verified via str_starts_with() against the resolved base directory, so any organization name containing traversal sequences (../) that would resolve outside files/img/orgs is rejected.

Patch summary

In app/Controller/UsersController.php __statisticsOrgs(): (1) added 'uuid' to the Organisation query fields; (2) replaced the single file_exists() call against APP/webroot/img/orgs/$k.png with a nested loop over fields [id, name, uuid] and extensions [png, svg]; (3) for each candidate, called realpath() on the full path and compared it with str_starts_with() against the realpath of the base directory (APP/files/img/orgs/), setting the logo flag only when the resolved path is confirmed to be inside that directory; (4) added a break 2 to exit both loops once a match is found.

CVSS rationale

AV:N – MISP is a network-accessible web application. AC:L – the traversal sequence in an org name is straightforward to construct. AT:N – no special target-side conditions beyond the org name being stored. PR:H – the attacker must have sufficient privileges to create or rename an organization (typically admin or org-admin role). UI:N – no user interaction required; the check fires server-side during statistics rendering. VC:L – the impact is limited to file-existence disclosure (boolean oracle); file contents are not read. VI:N, VA:N – no integrity or availability impact. SC/SI/SA:N – no secondary-system impact. Note: the vulnerability was latent in practice because the referenced directory did not exist, but the code pattern was exploitable if the directory were present or restored.

Weakness rationale

CWE-22 The organization name (an attacker-influenced string) was concatenated directly into a file-system path for a file_exists() check without any sanitization or directory-confinement validation. The fix explicitly guards against '../' sequences escaping the intended directory, confirming the weakness is path traversal.

Attack pattern rationale

CAPEC-1 The attack pattern involves manipulating a string value (the organization name) to inject path traversal sequences (../) that cause the application to reference files outside the intended directory. CAPEC-1 is the closest match because the core technique is crafting a string input to alter the application's file-path resolution. Uncertainty: CAPEC-126 (Leveraging Unintended Functionality) could also apply since the logo-existence check was an unintended side channel, but CAPEC-1 more directly describes the string-manipulation mechanism.

Assumptions to verify

The affected version range is inferred from the tag_version_boundary (v2.5.47, 50 commits after fix); the exact fixed release tag is not stated in the patch metadata, so 'less_than 2.5.47' is an approximation and may need CNA confirmation.
The vulnerability was latent in deployed instances because the referenced directory (app/webroot/img/orgs) did not exist; the CVSS reflects the code-level weakness rather than a confirmed active exploit.
PR:H assumes that creating or renaming an organization requires elevated privileges (admin or org-admin); if MISP allows lower-privileged users to set org names, PR could be lower.
CAPEC-1 (String Manipulation) is the closest available pattern; the exact CAPEC for path traversal via a stored string field is not explicitly enumerated in the CAPEC catalog, so this is a best-effort mapping.
The Co-Authored-By line references an AI assistant (Claude Opus 4.8); it is credited as a tool rather than a human remediation developer.

Model comparison

Selected qwen3.8:27b by deterministic-consensus-v1
The selected result is closest to model consensus; this heuristic does not establish factual correctness and human review remains required.

Model	Score	Agreement	Confidence	Assumptions
`qwen3.8:27b`	5	9	medium	5

Show details on NVD website

JSON

To clipboard

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                  {
                    "cweId": "CWE-22",
                    "rationale": "The organization name (an attacker-influenced string) was concatenated directly into a file-system path for a file_exists() check without any sanitization or directory-confinement validation. The fix explicitly guards against \u0027../\u0027 sequences escaping the intended directory, confirming the weakness is path traversal."
                  }
                ]
              }
            }
          },
          "recordType": "advisory",
          "vulnId": "GCVE-1-2026-20065"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
    "assignerShortName": "CIRCL",
    "cveId": "CVE-2026-95701",
    "datePublished": "2026-09-22T14:44:21.916Z",
    "dateReserved": "2026-09-22T14:44:19.514Z",
    "dateUpdated": "2026-09-22T14:59:46.097Z",
    "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.

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

FKIE_CVE-2026-95701

CVE-2026-95701 (GCVE-0-2026-95701)

Fix summary

Patch summary

CVSS rationale

Weakness rationale

Attack pattern rationale

Assumptions to verify

Model comparison

Tags

Sightings

Nomenclature

Related by attack behaviour