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CVE-2023-2797

Status: ModifiedMedium (6.5)—

Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mattermost — Mattermost

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-2797",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-12-06T22:51:13.676973Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
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          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
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  "published": "2023-06-16T10:15:09.337",
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      "url": "https://mattermost.com/security-updates/",
      "tags": [
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      ],
      "source": "responsibledisclosure@mattermost.com"
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      "url": "https://mattermost.com/security-updates/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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    {
      "lang": "en",
      "value": "Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.\n\n\n"
    }
  ],
  "lastModified": "2026-06-17T05:53:27.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}