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Sound the depths of every vulnerability.

Newly released CVEs across every platform — sleek to read, verbose on demand, and served raw as markdown for AI and agent ingestion. Severity reads as depth: the deeper the contact, the graver the threat.

Browse the feed For agents → /llms.txt

Depth = severity + exploitation

HadalCritical and actively exploited (CISA KEV / 0day)
AbyssalCritical with a public exploit or in-the-wild use
MidnightCritical, or high with PoC / in-the-wild
TwilightHigh severity, or a signal on a lesser flaw
SunlitLow / medium · no exploitation signal

69579

Tracked CVEs

6478

Critical

738

Exploited in wild

3815

Last 7 days

Trending now

Bluesky + Hacker News mentions, last 7 days

1CVE-2026-109618Critical· 9.2RCE via OOM corruption4896
2CVE-2026-109619Critical· 9.2RCE via stale global state2196
3CVE-2026-111497Critical· 9.2Out-of-Bounds Write in Google Brotli Decoder1592
4CVE-2026-99999Critical· 9.3In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt the network hea…963
5CVE-2026-110264Critical· 10.0Integer Overflow or Wraparound in GitLab267
6CVE-2026-108707Critical· 9.8Wukong_HRM through commit 186115e contains an authentication bypass vulnerability in ParamAspect that allows unauthenticated attackers to call every HRM API endpoint by omitting the AUTH-TOKEN header266
7CVE-2026-91403Critical· 9.1Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE)262

This week's digest →All digests

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13 matches

CVE-2026-92707Medium· 5.3

2w ago

MessagePack for C# is a MessagePack serializer for C#

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter …

▾ SunlitMessagePack · MessagePackEPSS 0.68%via NVD

CVE-2026-48502High

4mo ago

MessagePack-CSharp: Denial of service vulnerabilities can swamp the CPU or crash the process with stack and heap overflows

▾ TwilightMessagePack · MessagePackEPSS 0.44%via GHSA

CVE-2026-48506High· 7.5

4mo ago

MessagePack-CSharp: MessagePackReader.Skip can recurse without enforcing maximum object graph depth

▾ TwilightMessagePack · MessagePackEPSS 0.47%via GHSA

CVE-2026-48509Medium

4mo ago

MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies

▾ SunlitMessagePack · MessagePackEPSS 0.42%via GHSA

CVE-2026-48510Medium· 7.5

4mo ago

MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48511Medium· 7.5

4mo ago

MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48512Medium

4mo ago

MessagePack-CSharp: JSON conversion APIs can recurse without consistent depth enforcement

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48513Medium

4mo ago

MessagePack-CSharp: DynamicUnionResolver-generated deserializers miss depth enforcement

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48514Medium

4mo ago

MessagePack-CSharp: Unity unsafe blit formatter allocates from unbounded byte length

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48515Medium

4mo ago

MessagePack-CSharp: Multi-dimensional array formatters allocate from unchecked dimensions

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48516Medium

4mo ago

MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings

▾ SunlitMessagePack · MessagePackEPSS 0.40%via GHSA

CVE-2026-48517Medium

4mo ago

MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic arguments

▾ SunlitMessagePack · MessagePackEPSS 0.35%via GHSA

CVE-2026-48109High· 8.2

4mo ago

MessagePack's LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input

▾ TwilightMessagePack · MessagePackEPSS 0.51%via GHSA

From the blog

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Oct 27, 2026

VulnSea has moved to vulnsea.com (and what changed since September)

The beta is over. VulnSea now runs at vulnsea.com, every old beta link redirects to the same page, and your account, API keys and watchlists came with it. Plus a round of hardening, faster pages, and new request limits agents should know about.

Sep 8, 2026

What's new: open corpus, three new MCP tools, vendor advisories, package pages

A summary of everything that shipped over the last two weeks — the whole corpus is open, agents get change feeds, alias resolution and EPSS movers, and the data now includes CVE.org, vendor CSAF, aggregated exploits and per-source scores.

Jul 1, 2026

Wiring VulnSea into an agent: a hands-on tutorial

A step-by-step guide to plugging VulnSea into automated and agentic workflows — poll the delta, triage without burning tokens, match an SBOM, and let an MCP-native model do the reasoning.