MediumFix available
PSIRT HTTP/2 Bomb CVE-2026-49975
Type: patchSources: Fortinet PSIRT
The announcement identifies a denial-of-service vulnerability in Apache HTTP Server and lists affected and fixed Fortinet product versions. A virtual patch is available in an FMWP database update.
- Products
- FortiManager, FortiPAM, FortiProxy, FortiSwitchManager
- Affected versions
- 1.0 all versions, 1.1 all versions, 1.2 all versions, 1.3 all versions, 1.4 all versions, 1.5 all versions, 1.6 all versions, 1.7 all versions, 1.8 all versions, 1.9.0 through 1.9.1, 7.2 all versions, 7.2.0 through 7.2.9, 7.4 all versions, 7.4.0 through 7.4.14, 7.6.0 through 7.6.6, 7.6.0 through 7.6.7, 8.0.0
- Fixed versions
- 1.9.2 or above, 7.6.7 or above, 8.0.1 or above, upcoming 7.2.10 or above, upcoming 7.4.15 or above, upcoming 7.6.8 or above
- CVEs
- CVE-2026-49975
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:53 UTC · Revision 1
Source evidence
PSIRT HTTP/2 Bomb CVE-2026-49975
official-fortinet-psirt · Original sourcePublished 12 Aug 2026, 07:00 UTC
The announcement identifies a denial-of-service vulnerability in Apache HTTP Server and lists affected and fixed Fortinet product versions. A virtual patch is available in an FMWP database update.
Virtual Patch named "Multiple.Web.Servers.CVE-2026-49975.HTTP2.Bomb.DoS." is available in FMWP db update 26.082
FortiManager
Fixed versions: 8.0.1 or above, upcoming 7.6.8 or above
FortiPAM
Fixed versions: 1.9.2 or above
FortiProxy
Fixed versions: 7.6.7 or above, upcoming 7.4.15 or above
FortiSwitchManager
Fixed versions: upcoming 7.2.10 or above
Complete source record
{
"id": "bc7938ccdd09289fdeff706dd3bb231605ff513fe0679746348b5c4f44f8353a",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-163",
"method": "llm",
"payload": {
"kind": "patch",
"title": "PSIRT HTTP/2 Bomb CVE-2026-49975",
"summary": "The announcement identifies a denial-of-service vulnerability in Apache HTTP Server and lists affected and fixed Fortinet product versions. A virtual patch is available in an FMWP database update.",
"evidence": "Virtual Patch named \"Multiple.Web.Servers.CVE-2026-49975.HTTP2.Bomb.DoS.\" is available in FMWP db update 26.082",
"products": [
{
"name": {
"value": "FortiManager",
"evidence": "FortiManager 8.0"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.1 or above",
"evidence": "Upgrade to 8.0.1 or above"
},
{
"value": "upcoming 7.6.8 or above",
"evidence": "Upgrade to upcoming 7.6.8 or above"
}
],
"affected_versions": [
{
"value": "8.0.0",
"evidence": "8.0.0 Upgrade to 8.0.1 or above"
},
{
"value": "7.6.0 through 7.6.7",
"evidence": "7.6.0 through 7.6.7 Upgrade to upcoming 7.6.8 or above"
},
{
"value": "7.4 all versions",
"evidence": "7.4 all versions Migrate to a fixed release"
},
{
"value": "7.2 all versions",
"evidence": "7.2 all versions Migrate to a fixed release"
}
]
},
{
"name": {
"value": "FortiPAM",
"evidence": "FortiPAM 1.9"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.9.2 or above",
"evidence": "Upgrade to 1.9.2 or above"
}
],
"affected_versions": [
{
"value": "1.9.0 through 1.9.1",
"evidence": "1.9.0 through 1.9.1 Upgrade to 1.9.2 or above"
},
{
"value": "1.8 all versions",
"evidence": "1.8 all versions Migrate to a fixed release"
},
{
"value": "1.7 all versions",
"evidence": "1.7 all versions Migrate to a fixed release"
},
{
"value": "1.6 all versions",
"evidence": "1.6 all versions Migrate to a fixed release"
},
{
"value": "1.5 all versions",
"evidence": "1.5 all versions Migrate to a fixed release"
},
{
"value": "1.4 all versions",
"evidence": "1.4 all versions Migrate to a fixed release"
},
{
"value": "1.3 all versions",
"evidence": "1.3 all versions Migrate to a fixed release"
},
{
"value": "1.2 all versions",
"evidence": "1.2 all versions Migrate to a fixed release"
},
{
"value": "1.1 all versions",
"evidence": "1.1 all versions Migrate to a fixed release"
},
{
"value": "1.0 all versions",
"evidence": "1.0 all versions Migrate to a fixed release"
}
]
},
{
"name": {
"value": "FortiProxy",
"evidence": "FortiProxy 7.6"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.6.7 or above",
"evidence": "Upgrade to 7.6.7 or above"
},
{
"value": "upcoming 7.4.15 or above",
"evidence": "Upgrade to upcoming 7.4.15 or above"
}
],
"affected_versions": [
{
"value": "7.6.0 through 7.6.6",
"evidence": "7.6.0 through 7.6.6 Upgrade to 7.6.7 or above"
},
{
"value": "7.4.0 through 7.4.14",
"evidence": "7.4.0 through 7.4.14 Upgrade to upcoming 7.4.15 or above"
},
{
"value": "7.2 all versions",
"evidence": "7.2 all versions Migrate to a fixed release"
}
]
},
{
"name": {
"value": "FortiSwitchManager",
"evidence": "FortiSwitchManager 7.2"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "upcoming 7.2.10 or above",
"evidence": "Upgrade to upcoming 7.2.10 or above"
}
],
"affected_versions": [
{
"value": "7.2.0 through 7.2.9",
"evidence": "7.2.0 through 7.2.9 Upgrade to upcoming 7.2.10 or above"
}
]
}
],
"severity": "medium",
"fixed_cves": [],
"related_cves": [
{
"value": "CVE-2026-49975",
"evidence": "CVE ID CVE-2026-49975"
}
],
"security_relevant": true,
"severity_evidence": "Severity Medium"
},
"source_id": "official-fortinet-psirt",
"document_id": 23573,
"published_at": "2026-08-12T07:00:00+00:00"
}