CVE-2026-40631
HIGHCVSS 8.7/10EPSS 0.25%
Last modified
CVE-2026-40631 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Access Policy Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Analytics | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Analytics | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Application Security Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Application Security Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Application Visibility And Reporting | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Application Visibility And Reporting | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Automation Toolchain | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Automation Toolchain | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Carrier-Grade Nat | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Carrier-Grade Nat | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Container Ingress Services | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Container Ingress Services | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Domain Name System | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Domain Name System | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Edge Gateway | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Edge Gateway | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Fraud Protection Service | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Fraud Protection Service | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Global Traffic Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Global Traffic Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Link Controller | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Link Controller | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Local Traffic Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Local Traffic Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Ssl Orchestrator | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Ssl Orchestrator | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Webaccelerator | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Webaccelerator | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Websafe | >= 17.1.0, <= 17.1.3 |
| F5 | Big-Ip Websafe | >= 17.5.0, <= 17.5.1 |
| F5 | Big-Ip Access Policy Manager | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Advanced Firewall Manager | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Analytics | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Application Acceleration Manager | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Application Security Manager | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Application Visibility And Reporting | >= 16.1.0, <= 16.1.6 |
| F5 | Big-Ip Automation Toolchain | >= 16.1.0, <= 16.1.6 |
Showing 50 of 84 affected configurations. See NVD for the full list.
References
- https://my.f5.com/manage/s/article/K000160979Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-40631?
An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2026-40631?
CVE-2026-40631 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40631?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-40622NLnet Labs Unbound 1.16.2 up to and including version 1.25.0…7.5
- CVE-2026-40623A vulnerability in SenseLive X3050's web management interfac…8.1
- CVE-2026-40624Improper input validation in AVer PTC500S, PTC115, PTC500+, …9.8
- CVE-2026-40629When SSL profiles are configured on a virtual server, undisc…8.7
- CVE-2026-4063The Social Icons Widget & Block by WPZOOM plugin for WordPre…4.3
- CVE-2026-40630A vulnerability in SenseLive X3050’s web management inter…9.8
- CVE-2026-40633Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, ver…5.5
- CVE-2026-40636Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectSca…7.8
- CVE-2026-40638Dell PowerScale InsightIQ, versions 5.0.0 through 6.2.0, con…6.7
- CVE-2026-40639Dell Client Platform BIOS contains a Weak Encoding for Passw…5.7
- CVE-2026-4064Missing authorization checks on multiple gRPC service endpoi…8.3
- CVE-2026-40641Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain…4.8
Are you affected by CVE-2026-40631?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST