Citrix vulnerabilities
- Citrix has 36 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #227 of 420 vendors on this site by that count.
- Of the 36 with a CVSS score, 19 (52.8%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 27 vulnerabilities attributed to Citrix are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2026-88779, was added on 4 Oct 2026.
- 7 of them (25.9%) are marked as known to be used in ransomware campaigns.
- For the 27 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 37 days.
Records are attributed to Citrix from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 1 |
| 2018 | 0 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 14 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 14 | 4 | 4 | 57.1% | 0% |
| 2025 | 8 | 3 | 3 | 75% | 0% |
| 2024 | 14 | 0 | 5 | 35.7% | 0% |
| 2023 | 14 | 4 | 5 | 64.3% | 0% |
| 2022 | 8 | 2 | 1 | 75% | 50% |
| 2021 | 1 | 1 | 0 | 100% | 0% |
| 2020 | 4 | 0 | 1 | 25% | 0% |
| 2019 | 5 | 3 | 2 | 100% | 0% |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 1 | 1 | 0 | 100% | 0% |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2026-88779 | NetScaler | Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability | 2026-10-04 | Unknown |
| CVE-2026-88771 | NetScaler | Citrix NetScaler Improper Input Validation Vulnerability | 2026-09-27 | Unknown |
| CVE-2026-88772 | NetScaler | Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability | 2026-09-27 | Unknown |
| CVE-2026-19490 | NetScaler | Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability | 2026-09-09 | Unknown |
| CVE-2026-8452 | NetScaler ADC and NetScaler Gateway | Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability | 2026-08-26 | Unknown |
| CVE-2026-3055 | NetScaler | Citrix NetScaler Out-of-Bounds Read Vulnerability | 2026-03-30 | Unknown |
| CVE-2025-7775 | NetScaler | Citrix NetScaler Memory Overflow Vulnerability | 2025-08-26 | Unknown |
| CVE-2024-8068 | Session Recording | Citrix Session Recording Improper Privilege Management Vulnerability | 2025-08-25 | Unknown |
| CVE-2024-8069 | Session Recording | Citrix Session Recording Deserialization of Untrusted Data Vulnerability | 2025-08-25 | Unknown |
| CVE-2025-5777 | NetScaler ADC and Gateway | Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability | 2025-07-10 | Known |
| CVE-2025-6543 | NetScaler ADC and Gateway | Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability | 2025-06-30 | Unknown |
| CVE-2023-6548 | NetScaler ADC and NetScaler Gateway | Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability | 2024-01-17 | Unknown |
| CVE-2023-6549 | NetScaler ADC and NetScaler Gateway | Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability | 2024-01-17 | Unknown |
| CVE-2023-4966 | NetScaler ADC and NetScaler Gateway | Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability | 2023-10-18 | Known |
| CVE-2023-24489 | Content Collaboration | Citrix Content Collaboration ShareFile Improper Access Control Vulnerability | 2023-08-16 | Unknown |
| CVE-2023-3519 | NetScaler ADC and NetScaler Gateway | Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability | 2023-07-19 | Known |
| CVE-2022-27518 | Application Delivery Controller (ADC) and Gateway | Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability | 2022-12-13 | Unknown |
| CVE-2017-6316 | NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server | Citrix Multiple Products Remote Code Execution Vulnerability | 2022-03-25 | Unknown |
| CVE-2019-12989 | SD-WAN and NetScaler | Citrix SD-WAN and NetScaler SQL Injection Vulnerability | 2022-03-25 | Unknown |
| CVE-2019-12991 | SD-WAN and NetScaler | Citrix SD-WAN and NetScaler Command Injection Vulnerability | 2022-03-25 | Unknown |
| CVE-2021-22941 | ShareFile | Citrix ShareFile Improper Access Control Vulnerability | 2022-03-25 | Known |
| CVE-2019-11634 | Workspace Application and Receiver for Windows | Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability | 2021-11-03 | Known |
| CVE-2019-13608 | StoreFront Server | Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability | 2021-11-03 | Known |
| CVE-2019-19781 | Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance | Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability | 2021-11-03 | Known |
| CVE-2020-8193 | Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance | Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability | 2021-11-03 | Unknown |
| CVE-2020-8195 | Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance | Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability | 2021-11-03 | Unknown |
| CVE-2020-8196 | Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance | Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability | 2021-11-03 | Unknown |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Citrix records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2019-19781 | 100% | 100% | Critical | Yes |
| CVE-2023-4966 | 100% | 100% | Critical | Yes |
| CVE-2025-5777 | 100% | 100% | Critical | Yes |
| CVE-2023-3519 | 99.7% | 100% | Critical | Yes |
| CVE-2023-24489 | 97.3% | 99.9% | Critical | Yes |
| CVE-2019-12989 | 95% | 99.9% | Critical | Yes |
| CVE-2026-3055 | 91.5% | 99.8% | Critical | Yes |
| CVE-2020-8193 | 88.3% | 99.8% | Medium | Yes |
| CVE-2026-88771 | 82.2% | 99.7% | Critical | Yes |
| CVE-2023-24488 | 81.2% | 99.6% | Medium | No |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.