Tagged “vex”
CVEs tagged vex, newest first.
7401 CVEsRSS
CVE-2026-39832Critical· 9.1When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request
When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of…
CVE-2026-39828Medium· 6.3⚖ disputedInvoking bypass of certificate restrictions in golang.org/x/crypto/ssh
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succee…
CVE-2026-39827Medium· 6.5golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via repeated rejected channel openings (CVE-2026-39827)
A flaw was found in golang.org/x/crypto/ssh. An authenticated SSH client can cause a Denial of Service (DoS) by repeatedly opening channels that are rejected by the server. This leads to unbounded memory growth, eventually crashing the ser…
CVE-2026-39830Critical· 9.1A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connec…
CVE-2026-39831High· 8.1golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Security key bypass due to missing user presence check (CVE-2026-39831)
A flaw was found in golang.org/x/crypto/ssh. The Verify() method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardw…
CVE-2026-42508Critical· 9.1Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
CVE-2026-39834Medium· 6.5⚖ disputedgolang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service due to integer overflow in SSH channel write (CVE-2026-39834)
A flaw was found in golang.org/x/crypto/ssh. When a remote attacker attempts to write data larger than 4GB in a single call on an SSH (Secure Shell) channel, an integer overflow occurs in the internal payload size calculation. This vulnera…
CVE-2026-46595High· 7.1PoC⚖ disputedgolang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Authorization bypass due to skipped source-address validation (CVE-2026-46595)
A flaw was found in golang.org/x/crypto/ssh. Source-address validation can be skipped when an SSH server configuration uses an authentication callback type other than public key, allowing authorization bypass in misconfigured servers. This…
CVE-2026-47261High· 7.5⚖ disputedWASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
CVE-2026-43499High· 7.8PoCIn the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in remove_waiter() remove_waiter() is used by the slowlock paths, but it is also used for proxy-lock rollback in rt_mutex_…
In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in remove_waiter() remove_waiter() is used by the slowlock paths, but it is also used for proxy-lock rollback in rt_mutex_…
CVE-2026-47783High· 8.1In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.
In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.
CVE-2026-3039High· 7.5BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets
BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in …
CVE-2023-7346Medium· 4.0Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: f…
Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: f…
CVE-2026-5946High· 7.5Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet (`IN`) — for example, `CHAOS` or `HESIOD`, or DNS messages that specify meta-classes (`ANY` or `NONE`) in the question sec…
Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet (`IN`) — for example, `CHAOS` or `HESIOD`, or DNS messages that specify meta-classes (`ANY` or `NONE`) in the question sec…
CVE-2026-41292High· 7.5NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of incoming EDNS options
NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of incoming EDNS options. An adversary sending queries with too many EDNS options can hold Unbound threa…
CVE-2026-7507High· 7.5A session fixation vulnerability was found in Keycloak's login-actions endpoints
A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted lin…
CVE-2026-7307High· 7.5A flaw was found in Keycloak
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation…
CVE-2026-42009High· 7.5A flaw was found in gnutls
A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not cor…
CVE-2025-54518High· 7.0Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
CVE-2026-46333High· 7.1PoCIn the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'get_dumpable()' logic The 'dumpability' of a task is fundamentally about the memory image of the task - the concept comes from whether it can c…
In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'get_dumpable()' logic The 'dumpability' of a task is fundamentally about the memory image of the task - the concept comes from whether it can c…
CVE-2026-44513High· 8.8Diffusers is the a library for pretrained diffusion models
Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, a trust_remote_code bypass in DiffusionPipeline.from_pretrained allows arbitrary remote code execution despite the user passing trust_remote_code=False (or omi…
CVE-2026-44673High· 7.5PoClibyang is a YANG data modeling language library
libyang is a YANG data modeling language library. Prior to SO 5.2.15, lyb_read_string() in src/parser_lyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attack…
CVE-2026-44283Medium· 4.3⚖ disputedetcd: etcd: Authenticated user can bypass RBAC for unauthorized data access (CVE-2026-44283)
A flaw was found in etcd, a distributed key-value store. An authenticated user, without sufficient read or lease-related permissions, could bypass Role-Based Access Control (RBAC) authorization checks. This bypass occurs during transaction…
CVE-2026-6477High· 8.8Use of inherently dangerous function PQfn(..., result_is_int=0, ...) in PostgreSQL libpq lo_export(), lo_read(), lo_lseek64(), and lo_tell64() functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-l…
Use of inherently dangerous function PQfn(..., result_is_int=0, ...) in PostgreSQL libpq lo_export(), lo_read(), lo_lseek64(), and lo_tell64() functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-l…
CVE-2026-7168Medium· 5.3PoCSuccessfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wr…
Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wr…
CVE-2026-6429Medium· 5.3When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.
When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.
CVE-2026-6276High· 7.5PoC⚖ disputedUsing libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequently done using the same *easy handle* but without the custom `Host:` header set, the second request would use stale information…
Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequently done using the same *easy handle* but without the custom `Host:` header set, the second request would use stale information…
CVE-2026-6253Medium· 5.9PoCcurl might erroneously pass on credentials for a first proxy to a second proxy. This can happen when the following conditions are true: 1
curl might erroneously pass on credentials for a first proxy to a second proxy. This can happen when the following conditions are true: 1. curl is setup to use specific different proxies for different URL schemes 2. the first proxy nee…
CVE-2026-5545Medium· 6.5libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTP(S) request after a Negotiate-authenticated one, when both use the same host. libcurl features a pool of recent connections so that sub…
libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTP(S) request after a Negotiate-authenticated one, when both use the same host. libcurl features a pool of recent connections so that sub…
CVE-2026-42945High· 8.1PoCNGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expre…