Apache Software Foundation has 1,061 CVEs on record. Disclosure cadence is accelerating: 701 in the last 90 days against 147 in the 90 before. The busiest recent month was October 2026 with 342. The median CVSS is 7.5 (high), with 181 rated critical. 1% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 1186 days (8 cases). The dominant weakness classes are CWE-770 (75) and CWE-862 (51). Most affected products: Tomcat (77), airflow (68), Apache OFBiz (46).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 1% vs 1% corpus
- Median CVSS
- 7.5
- Publish → KEV
- 1186 d median(8)
- Last 90 days
- 701 prev 147
Weakness classes
Products
- Tomcat 77
- airflow 68
- Apache OFBiz 46
- thrift 36
- apache/brpc 35
- traffic_server 31
Worst active — by depth score
CVE-2021-44228Critical· 10.0Log4Shell: JNDI RCE in Apache Log4j 2100CVE-2021-45046Critical· 9.0Incomplete fix for Apache Log4j vulnerability99CVE-2020-1938Critical· 9.8When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat99CVE-2016-8735Critical· 9.8Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports97CVE-2017-12615High· 8.1When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g94
apache vulnerabilities
CVEs affecting apache, newest first. Open any entry for full detail, references, and exploit status.
1065 CVEsRSS
CVE-2026-49296Medium· 6.5Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file
Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` — and the equivalent Dag-source view in the UI — returned the en…
CVE-2026-33264Critical· 9.8A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler / API Server loaded a serialized DAG: a DAG author could embed a malicious trigger into a DAG to gain…
A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler / API Server loaded a serialized DAG: a DAG author could embed a malicious trigger into a DAG to gain…
CVE-2026-52760Medium· 6.1Apache ActiveMQ, Apache ActiveMQ Web Console vulnerable to Cross-site Scripting
Apache ActiveMQ, Apache ActiveMQ Web Console vulnerable to Cross-site Scripting
CVE-2026-49432High· 7.5Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp has an Improper Input Validation vulnerability
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp has an Improper Input Validation vulnerability
CVE-2026-54475High· 7.5Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ have a Missing Authorization vulnerability
Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ have a Missing Authorization vulnerability
CVE-2026-49434High· 7.5Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have an Improper Input Validation vulnerability
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have an Improper Input Validation vulnerability
CVE-2026-50734High· 7.5Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All has a Memory Allocation with Excessive Size Value vulnerability
Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All has a Memory Allocation with Excessive Size Value vulnerability
CVE-2026-49877High· 8.1Apache ActiveMQ Improper Authorization vulnerability
Apache ActiveMQ Improper Authorization vulnerability
CVE-2026-50750High· 7.5Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have a Denial of Service via Out of Memory vulnerability
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have a Denial of Service via Out of Memory vulnerability
CVE-2026-53917High· 7.5Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker have Memory Allocation with Excessive Size Value vulnerability
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker have Memory Allocation with Excessive Size Value vulnerability
CVE-2025-53648Medium· 5.4SQL misconfiguration in the Gravitino UI, in versions 1.0.0 and below, can allow a malicious user to read or truncate files. Users are recommended to upgrade to version 1.0.0, which fixes this issue.
SQL misconfiguration in the Gravitino UI, in versions 1.0.0 and below, can allow a malicious user to read or truncate files. Users are recommended to upgrade to version 1.0.0, which fixes this issue.
CVE-2026-55956Medium· 6.5Apache Tomcat has an Improper Authorization vulnerability
Apache Tomcat has an Improper Authorization vulnerability
CVE-2026-55957High· 7.3PoCApache Tomcat has a Missing Critical Step in Authentication vulnerability
Apache Tomcat has a Missing Critical Step in Authentication vulnerability
CVE-2026-55955Medium· 6.5⚖ disputedImproper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55,…
Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55,…
CVE-2026-55276Critical· 9.1⚖ disputedAlways-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.…
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.…
CVE-2026-53434Critical· 9.1⚖ disputedDetection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 th…
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 th…
CVE-2026-53404High· 7.3Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0…
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0…
CVE-2026-50229Medium· 6.1PoCImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55,…
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55,…
CVE-2026-57915High· 7.3Apache Kerby has a bypass the Kerberos pre-authentication check
Apache Kerby has a bypass the Kerberos pre-authentication check
CVE-2026-57914Medium· 6.5Apache Kerby vulnerable to denial of service
Apache Kerby vulnerable to denial of service
CVE-2025-55017Critical· 9.1Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. This issue affects Apache IoTDB: from 2.0.0 before 2.0.6, from 1.0.0 before 1.3.6. Users are recommended to upgrade to versio…
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. This issue affects Apache IoTDB: from 2.0.0 before 2.0.6, from 1.0.0 before 1.3.6. Users are recommended to upgrade to versio…
CVE-2025-64152Critical· 9.1Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. This issue affects Apache IoTDB: from 1.0.0 before 1.3.6, from 2.0.0 before 2.0.7. Users are recommended to upgrade to versio…
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. This issue affects Apache IoTDB: from 1.0.0 before 1.3.6, from 2.0.0 before 2.0.7. Users are recommended to upgrade to versio…
CVE-2026-49486High· 7.5The Apache Airflow FTP provider's `FTPSHook.get_conn()` created an `ftplib.FTP_TLS` connection but never called `prot_p()`, so although the control channel was TLS-protected the data channel was transmitted in cleartext
The Apache Airflow FTP provider's `FTPSHook.get_conn()` created an `ftplib.FTP_TLS` connection but never called `prot_p()`, so although the control channel was TLS-protected the data channel was transmitted in cleartext. Any deployment u…
CVE-2026-56091HighApache Shiro shiro-guice module vulnerable to authentication bypass
Apache Shiro shiro-guice module vulnerable to authentication bypass
CVE-2026-56130LowApache Shiro's "remember me" cookie age is not verified on the server.
Apache Shiro's "remember me" cookie age is not verified on the server.
CVE-2026-44913Medium· 7.2Apache NiFi: Improper Escaping of Table Names in CaptureChangeMySQL
Apache NiFi: Improper Escaping of Table Names in CaptureChangeMySQL
CVE-2025-62198Medium· 5.4An authenticated user can perform XSS. This issue affects Apache Atlas versions 2.4.0 and earlier. Users are recommended to upgrade to version 2.5.0, which fixes the issue.
An authenticated user can perform XSS. This issue affects Apache Atlas versions 2.4.0 and earlier. Users are recommended to upgrade to version 2.5.0, which fixes the issue.
CVE-2026-44914High· 7.2Apache NiFi 1.12.0 through 2.9.0 are missing authorization when replacing Process Groups that include extension components with specific Required Permissions based on the Restricted annotation
Apache NiFi 1.12.0 through 2.9.0 are missing authorization when replacing Process Groups that include extension components with specific Required Permissions based on the Restricted annotation. The Restricted annotation indicates additio…
CVE-2026-54665Medium· 5.3Apache NiFi fails to validate proxy host headers when constructing qualified URLs
Apache NiFi fails to validate proxy host headers when constructing qualified URLs
CVE-2026-44911LowApache NiFi allows read-only users to submit component configuration verification request
Apache NiFi allows read-only users to submit component configuration verification request