Security Bulletin: Vulnerability pyopenssl, jackson-core, pyasn, log4j-core, handlebars, twisted, bcpkix-jdk18on, Mako, httpd, apache2-build, wheel, click, moment-timezone-with-data, urllib, pip July 2026

Summary pyopenssl-25.3.0-py3CVE-2026-27448, CVE-2026-27459, jackson-core-2.15.2 PSIRT-WS-2026-0003, pyasn1-0.6.2-py3 CVE-2026-30922 , log4j-core-2.25.3CVE-2026-34479,CVE-2026-34480,CVE-2026-34477, CVE-2026-34478 , handlebars-4.7.8CVE-2026-33937, CVE-2026-33938, CVE-2026 , twisted-25.5.0-py3...

CVE-2026-59250

Classic buffer overflow in the Erlang/OTP megaco flex scanner C driver allows a remote unauthenticated attacker to corrupt the driver's memory and potentially achieve remote code execution or a denial-of-service crash by sending a single text-encoded H.248/Megaco message containing an oversized...

CVE-2026-59251

Allocation of resources without limits in Erlang/OTP publickey certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in publickey:pkixpathvalidation/3...

CVE-2026-58227

The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In sslcertificate:handleincompletechain/5, the received chain is passed to sslcertificate:buildcertificatechain/5, which walks issuer relationships via...

CVE-2026-55953

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-47078

Relative Path Traversal vulnerability in Erlang OTP stdlib zip module allows writing files outside the intended extraction directory via a crafted zip archive. zip:unzip/1,2 and zip:extract/1,2 validate entry paths using zip:checkdirlevel/2, which tracks directory depth as a running integer...

CVE-2026-42792

Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The doaccept function in erts/epmd/src/epmdsrv.c calls epmdcleanupexit when accep...

CVE-2026-17529

A vulnerability was identified in AstrBotDevs AstrBot up to 4.25.5. Affected is an unknown function of the file astrbot/core/astrmainagent.py. The manipulation of the argument req.functool leads to incorrect authorization. The attack may be initiated remotely. The exploit is publicly available an...

CVE-2026-17530

A security flaw has been discovered in AstrBotDevs AstrBot up to 4.25.5. Affected by this vulnerability is the function buildhandofftoolset of the file AstrBot/astrbot/core/astragenttoolexec.py of the component Subagent. The manipulation results in incorrect authorization. The attack may be...

CVE-2026-16812

VeloCloud Orchestrator VCO on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by...

GO-2026-5048 Denial of service via unbounded map allocations in github.com/iskorotkov/avro/v2 and github.com/hamba/avro/v2

The Avro map decoder accepts attacker-controlled block-element counts from the wire format and grows the destination map without enforcing an upper bound. A producer can declare an arbitrarily large map in one block, or chunked across many sub-limit blocks and exhaust process memory until the OOM...

CVE-2026-17531

CVE-2026-17531 affects unitedbyai droidclaw up to version 0.5.3. The vulnerability is in an unspecified aspect of file server/src/routes/goals.ts (Unsigned Scheduled Callback) and enables authorization bypass. Remote exploitation is possible, with high complexity and a PROOF-OF-CONCEPT exploit pu...

CVE-2026-17531

A weakness has been identified in unitedbyai droidclaw up to 0.5.3. Affected by this issue is some unknown functionality of the file server/src/routes/goals.ts of the component Unsigned Scheduled Callback. This manipulation causes authorization bypass. Remote exploitation of the attack is possibl...

EUVD-2026-49374

A weakness has been identified in unitedbyai droidclaw up to 0.5.3. Affected by this issue is some unknown functionality of the file server/src/routes/goals.ts of the component Unsigned Scheduled Callback. This manipulation causes authorization bypass. Remote exploitation of the attack is possibl...

CVE-2026-17531 unitedbyai droidclaw Unsigned Scheduled Callback goals.ts authorization

A weakness has been identified in unitedbyai droidclaw up to 0.5.3. Affected by this issue is some unknown functionality of the file server/src/routes/goals.ts of the component Unsigned Scheduled Callback. This manipulation causes authorization bypass. Remote exploitation of the attack is possibl...

CVE-2026-17531 unitedbyai droidclaw Unsigned Scheduled Callback goals.ts authorization

A weakness has been identified in unitedbyai droidclaw up to 0.5.3. Affected by this issue is some unknown functionality of the file server/src/routes/goals.ts of the component Unsigned Scheduled Callback. This manipulation causes authorization bypass. Remote exploitation of the attack is possibl...

CVE-2026-16812 VeloCloud Orchestrator OS Command Injection

VeloCloud Orchestrator VCO on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by...

CVE-2026-16812 VeloCloud Orchestrator OS Command Injection

VeloCloud Orchestrator VCO on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by...