CVE-2026-41957
published 2026-05-13CVE-2026-41957: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions…
PriorityP261high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.51%
40.4th percentile
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected
69 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | >= 16.1.0 < * | * |
| f5 | big-ip | >= 17.1.0 < 17.1.3.1 | 17.1.3.1 |
| f5 | big-ip | >= 17.5.0 < 17.5.1.4 | 17.5.1.4 |
| f5 | big-ip_access_policy_manager | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
| 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 | 16.1.0 – 16.1.6 | — |
Detection & IOCsextracted from sources · hover to see the quote
- ·Exploitation vectors are explicitly undisclosed by the vendor, limiting the ability to build specific detection signatures or IOCs for this CVE. ↗
- ·End-of-Technical-Support (EoTS) software versions are out of scope for this advisory and have not been evaluated for impact. ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
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VulDB
F5 BIG-IP/BIG-IQ prior 17.1.3.1/17.5.1.4 deserialization (K000156761 / Nessus ID 316091)
vuldb·2026-05-25·CVSS 8.7
CVE-2026-41957 [HIGH] F5 BIG-IP/BIG-IQ prior 17.1.3.1/17.5.1.4 deserialization (K000156761 / Nessus ID 316091)
A vulnerability marked as very critical has been reported in F5 BIG-IP and BIG-IQ. Affected is an unknown function. Performing a manipulation results in deserialization.
This vulnerability is cataloged as CVE-2026-41957. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
GHSA
GHSA-628r-43mh-742x: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility
ghsa_unreviewed·2026-05-13
CVE-2026-41957 [HIGH] CWE-502 GHSA-628r-43mh-742x: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
F5
CVE-2026-41957: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Conf...
vendor_f5·2026-05-13·CVSS 8.7
CVE-2026-41957 [HIGH] CWE-502 CVE-2026-41957: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Conf...
CVE-2026-41957: An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Conf...
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Products: BIG-IQ
F5 Advisory Articles: K000156761
F5 References: https://my.f5.com/manage/s/article/K000156761
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-13
Published