VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: unknown
SAP Multiple Products

CVE-2022-22536: SAP Multiple Products HTTP Request Smuggling Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 190 days after the CVE record was published.

How likely is exploitation in the next 30 days?
97.9%

EPSS score, percentile 99.9 of all scored records

How severe?
9.8 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline . Apply updates per vendor instructions.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • KERNEL 7.22
  • 8.04
  • 7.49
  • 7.53
  • 7.77
  • 7.81

and 15 more in the table below

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: .

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

SAP SE SAP NetWeaver and ABAP Platform
StatusVersions
AffectedKERNEL 7.22
Affected8.04
Affected7.49
Affected7.53
Affected7.77
Affected7.81
Affected7.85
Affected7.86
Affected7.87
AffectedKRNL64UC 8.04
Affected7.22
Affected7.22EXT

Versions not listed are: unaffected.

And 1 more version entries in the CVE record.

SAP SE SAP Web Dispatcher
StatusVersions
Affected7.49
Affected7.53
Affected7.77
Affected7.81
Affected7.85
Affected7.22EXT
Affected7.86
Affected7.87

Versions not listed are: unaffected.

SAP SE SAP Content Server
StatusVersions
Affected7.53

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server and SAP Web Dispatcher allow HTTP request smuggling. An unauthenticated attacker can prepend a victim's request with arbitrary data, allowing for function execution impersonating the victim or poisoning intermediary Web caches.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2022-22536 to its Known Exploited Vulnerabilities (KEV) catalog on 18 Aug 2022.
  • CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
  • The due date CISA sets for the required action is 8 Sep 2022.
  • The CVE record was published on 9 Feb 2022, 190 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 97.9% (percentile 99.9), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepend a victim's request with arbitrary data. This way, the attacker can execute functions impersonating the victim or poison intermediary Web caches. A successful attack could result in complete compromise of Confidentiality, Integrity and Availability of the system.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

References

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