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CVE-2026-86776

🗓️ 09 Sep 2026 10:07:26Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 163 Views

KeePass 2.35-2.61.1 memory exhaustion via unvalidated KDBX header field sizes causing DoS.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
KeePass ReadHeaderField Function DoS
10 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-86776
10 Sep 202606:56
–circl
cvelist
Cvelist
CVE-2026-86776 KeePass 2.35 through 2.61.1 Memory Exhaustion via KDBX Header Field Size
9 Sep 202610:07
–cvelist
debiancve
Debian CVE
CVE-2026-86776
9 Sep 202610:07
–debiancve
euvd
EUVD
EUVD-2026-74788
9 Sep 202610:07
–euvd
nvd
NVD
CVE-2026-86776
9 Sep 202610:22
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-86776
9 Sep 202610:22
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-86776
9 Sep 202610:22
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-88914
9 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-86776: Memory Allocation with Excessive Size Value
9 Sep 202600:00
–rapid7
Rows per page
Vulners
CNA
Node
keepasskeepassRange2.35–2.61.1
[
  {
    "vendor": "KeePass",
    "product": "KeePass",
    "collectionURL": "https://keepass.info/",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "2.35",
        "lessThanOrEqual": "2.61.1",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

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10 Sep 2026 19:58Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.13.3
CVSS 44.6
EPSS0.00168
SSVC
163