Monthly report
What your agent missed in August 2026
In August 2026, CISA added 8 actively exploited vulnerabilities in web-stack software to its Known Exploited Vulnerabilities catalog, GitHub published 5 critical advisories for widely used npm and PyPI packages, 3 release lines reached end of life and 3 new release lines shipped.
- 8Exploited in the wild
- 5Critical advisories
- 3Reached end of life
- 3New release lines
The ones to know first
The most widely used software among this month’s items, one of each kind.
CVE-2026-34486added to CISA’s exploited list (Apache Tomcat)Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor.
, CISA KEV
litellm: server-side template injection in the /prompts/test endpoint (critical)Fixed in
1.83.7.
Everything in August 2026
Exploited in the wild8
CVE-2026-66384added to CISA’s exploited list (JFrog Artifactory)JFrog Artifactory contains an improper limitation of a pathname to a restricted directory vulnerability.
, CISA KEV
CVE-2026-60004added to CISA’s exploited list (Gitea)Gitea contains a code injection vulnerability that allows an attacker with repository write access to send a malicious patch to the diffpatch API endpoint to plant an…
, CISA KEV
CVE-2026-64849added to CISA’s exploited list (MLflow)MLflow contains a server-side request forgery vulnerability that can allow attackers to reach internal or cloud metadata services and receive response_status and…
, CISA KEV
CVE-2025-62593added to CISA’s exploited list (Ray)Ray-Project Ray contains a code injection vulnerability that could allow remote code execution.
, CISA KEV
CVE-2026-72898added to CISA’s exploited list (Metabase)Metabase contains a SQL Injection vulnerability that allows an unauthenticated remote attacker to inject arbitrary SQL into the Metabase application database, which can…
, CISA KEV
CVE-2026-63077added to CISA’s exploited list (TeamCity)JetBrains TeamCity contains a deserialization of untrusted data vulnerability that could allow unauthenticated remote code execution via the agent polling protocol.
, CISA KEV
CVE-2026-34486added to CISA’s exploited list (Apache Tomcat)Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor.
, CISA KEV
CVE-2026-9198added to CISA’s exploited list (Langflow)Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.
, CISA KEV
Critical advisories5
litellm: server-side template injection in the /prompts/test endpoint (critical)Fixed in
1.83.7.crypto-js: Insufficient Entropy in Cryptographic secret Generation (critical)Fixed in
4.0.0.@nuxt/devtools: unauthenticated Nuxt DevTools RPC allows arbitrary command execution on… (critical)Fixed in
3.3.1.
Reached end of life3
Ruby on Rails 7.2 reached end of life
No more security fixes. Latest: Ruby on Rails 8.1.
New release lines3
Which models can’t know this
Every model in our cutoff table has a knowledge cutoff before August 2026, so none of them knows about any of this unless a tool gives it live data.
Anthropic
- Claude Fable 5.1June 2026
- Claude Haiku 5.5June 2026
- Claude Opus 5.5June 2026
- Claude Sonnet 5.5June 2026
- Claude Opus 5May 2026
- Claude Fable 5January 2026
- Claude Opus 4.7January 2026
- Claude Opus 4.8January 2026
- Claude Sonnet 5January 2026
- Claude Sonnet 4.6August 2025
- Claude Opus 4.5May 2025
- Claude Opus 4.6May 2025
- Claude Haiku 4.5February 2025
- Claude Sonnet 4.5January 2025
OpenAI
- GPT-6 LunaMay 18, 2026
- GPT-6 AstraApril 30, 2026
- GPT-6.1 SolApril 30, 2026
- GPT-6 SolApril 20, 2026
- GPT-5.6 SolFebruary 16, 2026
- GPT-5.5December 1, 2025
- GPT-5.3-CodexAugust 31, 2025
- GPT-5.4August 31, 2025
- GPT-5.4 MiniAugust 31, 2025
- GPT-5September 30, 2024
- GPT-5-CodexSeptember 30, 2024
- GPT-5.1September 30, 2024
- GPT-4.1June 1, 2024
- o3June 1, 2024
- GPT-5 MiniMay 31, 2024
- GPT-4oOctober 1, 2023
- Gemini 3.8 FlashMarch 2026
- Gemini 4 ArgonMarch 2026
- Gemini 2.5 FlashJanuary 2025
- Gemini 2.5 ProJanuary 2025
- Gemini 3 FlashJanuary 2025
- Gemini 3.1 ProJanuary 2025
Microsoft
- MAI-Code-1.1-FlashDecember 2025
Meta
- Llama 4 MaverickAugust 2024
Last checked against CISA KEV, GitHub Advisory Database and endoflife.date.
What counts: vulnerabilities CISA confirms are exploited, in software web apps commonly run; critical GitHub advisories on widely used npm and PyPI packages; and release lines of popular runtimes, frameworks and databases reaching end of life or shipping. Also as Markdown.