CVE-2026-4789 | Kyverno 1.16.0 server-side request forgery

VDB-354285 · CVE-2026-4789 · GCVE-0-2026-4789 KYVERNO 1.16.0 SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 2.36+ Summaryinfo A vulnerability, which was classified as critical, has been found in Kyverno 1.16.0. This affects an unknown function. Performing a manipulation results in server-side request forgery. This vulnerability is known as CVE-2026-4789. Remote exploitation of the attack is possible. No exploit is available. Detailsinfo A vulnerability classified as critical has been found in Kyverno 1.16.0. This affects an unknown functionality. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions. This vulnerability is uniquely identified as CVE-2026-4789 since 03/24/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/31/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name Kyverno Version 1.16.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 6.3 VulDB Base Score: 6.3 VulDB Temp Score: 6.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Server-side request forgery CWE: CWE-918 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/24/2026 CVE reserved 03/30/2026 +6 days VulDB entry created 03/31/2026 +0 days Advisory disclosed 03/31/2026 +0 days VulDB entry last update Sourcesinfo Status: Not defined CVE: CVE-2026-4789 (🔒) GCVE (CVE): GCVE-0-2026-4789 GCVE (VulDB): GCVE-100-354285 Entryinfo Created: 03/31/2026 00:23 Changes: 03/31/2026 00:23 (50) Complete: 🔍 Cache ID: 99:642:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸