PYSEC-2026-2021 vllm API endpoints vulnerable to Denial of Service Attacks

Summary A Denial of Service DoS vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making ...

botstory (>=0.0.38, <=0.0.62), cr8 (0.9.1) +2 more potentially affected by CVE-2025-53643 via aiohttp (1.1.6)

aiohttp PYPI version 1.1.6 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - botstory =0.0.38, =0.0.5, =0.34.0, =0.35.3 Source cves: CVE-2025-53643 Source advisory: OSV:PYSEC-2026-1104...

aioservice (0.0.1), devtools-proxy (0.0.4) +4 more potentially affected by CVE-2025-53643 via aiohttp (1.1.5)

aiohttp PYPI version 1.1.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aioservice 0.0.1 - devtools-proxy 0.0.4 - fastcli 0.1.0 - goblin 1.0.0b2 - metadoc =0.9.1, =0.10.5 - python-functionsclient 0.0.1 Source cves:...

devtools-proxy (>=0.0.2, <=0.0.3) potentially affected by CVE-2025-53643 via aiohttp (1.1.4)

aiohttp PYPI version 1.1.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - devtools-proxy =0.0.2, =0.0.3 Source cves: CVE-2025-53643 Source advisory: OSV:PYSEC-2026-1104...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2025-53643 via aiohttp (2.2.3)

aiohttp PYPI version 2.2.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - ethereumd-proxy =0.1.2, =0.49.0, =0.4.4, =0.1.1, =0.1.4, =0.1.0, =0.4.1b17, =0.6.0b3, =0.1.0b11, =0.1.0b19 Source cves: CVE-2025-53643 Source...

PYSEC-2026-1104 AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

Summary The Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. Impact If a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker may be able to execu...

PYSEC-2026-1379 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Impact Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Patches Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS configuration variable, which allows administrators to explicit...

PYSEC-2026-1974 Tornado vulnerable to excessive logging caused by malformed multipart form data

Summary When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the...

Tornado vulnerable to excessive logging caused by malformed multipart form data

SummaryWhen Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the...

SUSE CVE-2026-9697

Impact: undici's ProxyAgent silently drops the requestTls option when configured with a SOCKS5 proxy URI socks5:// or socks://. The target HTTPS connection through the SOCKS5 tunnel falls back to Node's default trust store, ignoring user-configured ca, cert, key, rejectUnauthorized, and servernam...

PYSEC-2026-1543 LiteLLM Has a Leakage of Langfuse API Keys

In berriai/litellm version v1.52.1, an issue in proxyserver.py causes the leakage of Langfuse API keys when an error occurs while parsing team settings. This vulnerability exposes sensitive information, including langfusesecret and langfusepublickey, which can provide full access to the Langfuse...

LiteLLM Has a Leakage of Langfuse API Keys

In berriai/litellm version v1.52.1, an issue in proxyserver.py causes the leakage of Langfuse API keys when an error occurs while parsing team settings. This vulnerability exposes sensitive information, including langfusesecret and langfusepublickey, which can provide full access to the Langfuse...

PYSEC-2026-1630 Mitmweb API Authentication Bypass Using Proxy Server

Impact In mitmweb 11.1.0 and below, a malicious client can use mitmweb's proxy server bound to :8080 by default to access mitmweb's internal API bound to 127.0.0.1:8081 by default. In other words, while the client cannot access the API directly good, they can access the API through the proxy bad...

badger-proxy (0.1.9), kerberos-auth-proxy (>=0.1.0a3, <=0.1.0a8) +5 more potentially affected by CVE-2025-23217 via mitmproxy (8.1.1)

mitmproxy PYPI version 8.1.1 is affected by a known vulnerability. The following packages have a transitive dependency on mitmproxy and may be impacted: - badger-proxy 0.1.9 - kerberos-auth-proxy =0.1.0a3, =2.0.1, =0.1.0, =0.4.0, =0.5.0 Source cves: CVE-2025-23217 Source advisory:...

PYSEC-2026-1613 Synapse allows unsupported content types to lead to memory exhaustion

Impact In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Patches Synapse 1.120.1 resolves the issue by denying...

Synapse allows unsupported content types to lead to memory exhaustion

ImpactIn Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. PatchesSynapse 1.120.1 resolves the issue by denying...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2024-52304 via aiohttp (2.2.3)

aiohttp PYPI version 2.2.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - ethereumd-proxy =0.1.2, =0.49.0, =0.4.4, =0.1.1, =0.1.4, =0.1.0, =0.4.1b17, =0.6.0b3, =0.1.0b11, =0.1.0b19 Source cves: CVE-2024-52304 Source...

aioservice (0.0.1), devtools-proxy (0.0.4) +4 more potentially affected by CVE-2024-52304 via aiohttp (1.1.5)

aiohttp PYPI version 1.1.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aioservice 0.0.1 - devtools-proxy 0.0.4 - fastcli 0.1.0 - goblin 1.0.0b2 - metadoc =0.9.1, =0.10.5 - python-functionsclient 0.0.1 Source cves:...

botstory (>=0.0.38, <=0.0.62), cr8 (0.9.1) +2 more potentially affected by CVE-2024-52304 via aiohttp (1.1.6)

aiohttp PYPI version 1.1.6 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - botstory =0.0.38, =0.0.5, =0.34.0, =0.35.3 Source cves: CVE-2024-52304 Source advisory: OSV:PYSEC-2026-1103...

devtools-proxy (>=0.0.2, <=0.0.3) potentially affected by CVE-2024-52304 via aiohttp (1.1.4)

aiohttp PYPI version 1.1.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - devtools-proxy =0.0.2, =0.0.3 Source cves: CVE-2024-52304 Source advisory: OSV:PYSEC-2026-1103...