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High

CodexBar < 0.32.0 Session Cookie Exposure via HTTP Redirect

Type: advisorySources: OSV

CodexBar prior to 0.32.0 contains a session cookie leakage vulnerability that allows network attackers to intercept imported browser session cookies by exploiting improper redirect handling for Amp and Ollama provider sessions. Attackers can position themselves on the network path to receive cleartext HTTP requests carrying imported session cookies when a provider-controlled redirect target issues a redirect to a cleartext HTTP endpoint within the same provider domain.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-43625
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 07:52 UTC · Revision 1

Source evidence

CodexBar < 0.32.0 Session Cookie Exposure via HTTP Redirect

core-osv · Original source

Published 1 Jun 2026, 18:46 UTC

CodexBar prior to 0.32.0 contains a session cookie leakage vulnerability that allows network attackers to intercept imported browser session cookies by exploiting improper redirect handling for Amp and Ollama provider sessions. Attackers can position themselves on the network path to receive cleartext HTTP requests carrying imported session cookies when a provider-controlled redirect target issues a redirect to a cleartext HTTP endpoint within the same provider domain.

osv:CVE-2026-43625
Complete source record
{
  "id": "f157894bbde21a50665f94e599520f5b71a95f277851aa0be5553ce37cfd3eea",
  "url": "https://osv.dev/vulnerability/CVE-2026-43625",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CodexBar < 0.32.0 Session Cookie Exposure via HTTP Redirect",
    "summary": "CodexBar prior to 0.32.0 contains a session cookie leakage vulnerability that allows network attackers to intercept imported browser session cookies by exploiting improper redirect handling for Amp and Ollama provider sessions. Attackers can position themselves on the network path to receive cleartext HTTP requests carrying imported session cookies when a provider-controlled redirect target issues a redirect to a cleartext HTTP endpoint within the same provider domain.",
    "evidence": "osv:CVE-2026-43625",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-43625",
      "aliases": [
        "CVE-2026-43625"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/steipete/codexbar",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1351961f4d6a286df8dc26cb6e021ab40e7b552d"
                },
                {
                  "fixed": "cdd7e347c1cf616615f18aa2ac52ba2ec9cab332"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.32.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1351961f4d6a286df8dc26cb6e021ab40e7b552d"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.32.0"
                  },
                  {
                    "range": [
                      {
                        "fixed": "cdd7e347c1cf616615f18aa2ac52ba2ec9cab332"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.31.0",
            "v0.30.1",
            "v0.30.0",
            "v0.29.1",
            "v0.29.0",
            "v0.28.0",
            "v0.27.0",
            "v0.26.1",
            "v0.26.0",
            "v0.25.1",
            "v0.25",
            "v0.24",
            "v0.23",
            "v0.22",
            "v0.21",
            "v0.20",
            "v0.20.0-beta.1",
            "v0.19.0",
            "v0.18.0",
            "v0.18.0-beta.3",
            "v0.18.0-beta.2",
            "v0.18.0-beta.1",
            "v0.17.0",
            "v0.16.1",
            "v0.16.0",
            "v0.15.3",
            "v0.15.2",
            "v0.15.1",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.2",
            "v0.11.1",
            "v0.11.0",
            "v0.10.0",
            "v0.9.1",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.7.0",
            "v0.6.1",
            "v0.6.0",
            "v0.5.7",
            "v0.5.6",
            "v0.5.5",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.2",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43625.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.975421501Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43625.json",
        "https://github.com/steipete/CodexBar/releases/tag/v0.32.0",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43625",
        "https://www.vulncheck.com/advisories/codexbar-session-cookie-exposure-via-http-redirect",
        "https://github.com/steipete/CodexBar/pull/1226",
        "https://github.com/steipete/CodexBar/commit/cdd7e347c1cf616615f18aa2ac52ba2ec9cab332",
        "https://github.com/steipete/CodexBar"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-319"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43625.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-43625",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500976,
  "published_at": "2026-06-01T18:46:08.612+00:00"
}