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CVE-2026-56389

🗓️ 29 Jul 2026 09:39:52Reported by CERT-PLType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

GNU Bison HTML reports permit arbitrary command execution via tool.xsltproc override in grammar.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56389
29 Jul 202609:39
attackerkb
ATTACKERKB
CVE-2026-56390
29 Jul 202609:40
attackerkb
Circl
CVE-2026-56389
29 Jul 202612:15
circl
Cvelist
CVE-2026-56389 Arbitrary Command Execution in GNU Bison
29 Jul 202609:39
cvelist
EUVD
EUVD-2026-50276
29 Jul 202609:39
euvd
NVD
CVE-2026-56389
29 Jul 202611:16
nvd
Positive Technologies
PT-2026-65777
29 Jul 202600:00
ptsecurity
Positive Technologies
PT-2026-65778
29 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-56389 Arbitrary Command Execution in GNU Bison
29 Jul 202609:39
vulnrichment
Vulners
Node
gnubisonMatch3.8.2
[
  {
    "vendor": "GNU",
    "product": "Bison",
    "repo": "https://cgit.git.savannah.gnu.org/cgit/bison.git/",
    "versions": [
      {
        "status": "affected",
        "version": "3.8.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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29 Jul 2026 13:19Current
6.1Medium risk
Vulners AI Score6.1
CVSS 46.8
SSVC
8