FKIE_CVE-2026-22782

Vulnerability from fkie_nvd - Published: 2026-01-16 17:15 - Updated: 2026-02-09 20:47
Summary
RustFS is a distributed object storage system built in Rust. From >= 1.0.0-alpha.1 to 1.0.0-alpha.79, invalid RPC signatures cause the server to log the shared HMAC secret (and expected signature), which exposes the secret to log readers and enables forged RPC calls. In crates/ecstore/src/rpc/http_auth.rs, the invalid signature branch logs sensitive data. This log line includes secret and expected_signature, both derived from the shared HMAC key. Any invalidly signed request triggers this path. The function is reachable from RPC and admin request handlers. This vulnerability is fixed in 1.0.0-alpha.80.
Impacted products
Vendor Product Version
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0
rustfs rustfs 1.0.0

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              "matchCriteriaId": "9AA7AE2E-83E3-4796-8569-16030DB2CF38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rustfs:rustfs:1.0.0:alpha8:*:*:*:rust:*:*",
              "matchCriteriaId": "F800AEB3-3AD7-42D8-BC3A-23703851435B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rustfs:rustfs:1.0.0:alpha9:*:*:*:rust:*:*",
              "matchCriteriaId": "5821FADC-CF73-4639-911A-F3302D239B7C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "RustFS is a distributed object storage system built in Rust. From \u003e= 1.0.0-alpha.1 to 1.0.0-alpha.79, invalid RPC signatures cause the server to log the shared HMAC secret (and expected signature), which exposes the secret to log readers and enables forged RPC calls. In crates/ecstore/src/rpc/http_auth.rs, the invalid signature branch logs sensitive data. This log line includes secret and expected_signature, both derived from the shared HMAC key. Any invalidly signed request triggers this path. The function is reachable from RPC and admin request handlers. This vulnerability is fixed in 1.0.0-alpha.80."
    }
  ],
  "id": "CVE-2026-22782",
  "lastModified": "2026-02-09T20:47:26.030",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.9,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "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": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-16T17:15:54.343",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/rustfs/rustfs/blob/9e162b6e9ebb874cc1d06a7b33bc4a05786578aa/crates/ecstore/src/rpc/http_auth.rs#L115-L122"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/rustfs/rustfs/commit/6b2eebee1d07399ef02c0863bd515b4412a5a560"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/rustfs/rustfs/security/advisories/GHSA-333v-68xh-8mmq"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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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.


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