CVE-2026-91843

🗓️ 16 Sep 2026 13:03:40Reported by checkpointType

cve🔗 web.nvd.nist.gov📰️ 6 Media mentions👁 257 Views

Unauthenticated stack overflow in Security Management and Log Servers enables remote code execution.

Reporter	Title	Published	Views	Family All 13
BDU FSTEC	The vulnerability of the Check Point Security Management Server and Multi-Domain Security Management Server software lies in the fact that operations may be executed outside the buffer in memory, allowing an attacker to execute arbitrary code.	19 Sep 202600:00	–	bdu_fstec
Circl	CVE-2026-91843	16 Sep 202614:10	–	circl
CheckPoint Security	CVE-2026-91843 - Stack overflow in login process to the Security Management and Log Servers	16 Sep 202600:00	–	checkpoint_security
CheckPoint Security	CVE-2026-93616: Directory Traversal and File upload allows execution of arbitrary script on the Management Server	20 Sep 202600:00	–	checkpoint_security
Cvelist	CVE-2026-91843 Stack overflow in login process to the Security Management and Log Servers	16 Sep 202613:03	–	cvelist
EUVD	EUVD-2026-80699	16 Sep 202613:03	–	euvd
Kitploit	CVE-2026-91843	2 Oct 202615:06	–	kitploit
NCSC	Vulnerability concealment in Check Point’s Security Management and Log Servers	18 Sep 202608:38	–	ncsc
NVD	CVE-2026-91843	16 Sep 202614:17	–	nvd
Positive Technologies	PT-2026-93729	16 Sep 202600:00	–	ptsecurity

[
  {
    "product": "Quantum Security Management",
    "vendor": "checkpoint",
    "versions": [
      {
        "status": "affected",
        "version": "R82.10 with Jumbo Hotfix Take 44 or below"
      },
      {
        "status": "affected",
        "version": "R82 with Jumbo Hotfix Take 126 or below"
      },
      {
        "status": "affected",
        "version": "R81.20 with Jumbo Hotfix Take 166 or below"
      },
      {
        "status": "affected",
        "version": "R81.10 (EOS) with Jumbo Hotfix Take 190 or below"
      },
      {
        "status": "affected",
        "version": "R81 (EOS)"
      },
      {
        "status": "affected",
        "version": "R80.40 (EOS)"
      },
      {
        "status": "affected",
        "version": "R80.30 (EOS)"
      },
      {
        "status": "affected",
        "version": "R80.20 (EOS)"
      },
      {
        "status": "affected",
        "version": "R80.10 (EOS)"
      },
      {
        "status": "affected",
        "version": "R80 (EOS)"
      }
    ]
  }
]

Source	Link
support	www.support.checkpoint.com/results/sk/sk1000155

18 Sep 2026 19:34Current

8.5High risk

Vulners AI Score8.5

CVSS 3.19.8

EPSS0.00519

SSVC

CWE-121