ANT-2026-50T0MN89 · uboot · Out-of-bounds-write

oob-write high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-50T0MN89: U-Boot EFI Image Loader: Out-of-Bounds Write via Unbounded ...

ANT-2026-45SRWS4Q · bearssl · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-45SRWS4Q: BearSSL Missing Block-Alignment Check in cbcchecklength → Unbounded Heap/Stack Write vi...

ANT-2026-P7DSVPH6 · wasm-micro-runtime · Heap-buffer-overflow

heap-buffer-overflow critical GHSA-wj3p-xhqm-pffc Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-P7DSVPH6:...

ANT-2026-GSPVGEYA · gpg/libgcrypt · Stack Buffer Overflow

stack-buffer-overflow medium CVE-2026-41990 GHSA-78pv-qq8x-94px Severity Claude high · Security research firm - · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-GSPVGEYA: ML-DSA...

ANT-2026-BDHSQ5GE · hunspell · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-BDHSQ5GE: Stack-buffer-overflow in hunspell...

ANT-2026-PCBAKVPB · dnsmasq · Heap-buffer-overflow

heap-buffer-overflow high CVE-2026-4892 GHSA-m62j-63mf-xr95 Severity Claude high · Security research firm high · Maintainer high Discovered by an unreleased Anthropic model REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits...

ANT-2026-YMN2QG55 · libjxl · Heap-buffer-overflow

heap-buffer-overflow critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-YMN2QG55: Heap-buffer-overflow in libjxl...

ANT-2026-YN5QG0SH · libreoffice · Heap-buffer-overflow

heap-buffer-overflow medium CVE-2026-8358 Severity Claude critical · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-YN5QG0SH: Heap-buffer-overfl...

ANT-2026-5DFBSQR9 · freebsd/freebsd-src · Use-After-Free / Type Confusion

use-after-free high CVE-2026-5398 CVE-2026-6386 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-5DFBSQR9: Local privilege escalation via ttydropctty tsession UAF + pmappkruupdaterange PDPE walk In...

ANT-2026-WQ7HHBE1 · supabase/postgres · other

other low Severity Claude low · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-WQ7HHBE1: Internal admin roles omitted from supautils reserved lists The supautils config template lists roles the...

ANT-2026-CGR7Y3J8 · supabase/auth · other

other low Severity Claude low · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-CGR7Y3J8: OAuth authorization code single-use not enforced atomically In the authorizationcode grant handler of the...

ANT-2026-PQ3CNCCK · firecracker-microvm/firecracker · Memory Safety / Out-of-Bounds Read+Write (unsafe Rust)

oob-read high CVE-2026-5747 GHSA-776c-mpj7-jm3r Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-PQ3CNCCK: Virtio-PCI queue size writable after activation enables host OOB I...

ANT-2026-NGTJ413W · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-NGTJ413W: This is a genuine heap-buffer-overflow...

ANT-2026-PVN0XWJM · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-PVN0XWJM: Heap-buffer-overflow in copyblock.h:51...

ANT-2026-9R51NPJC · c-blosc2 · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-9R51NPJC: Heap buffer overflow in NDLZ8 triple-mat...

ANT-2026-CEP8Y9M0 · ffmpeg · Use-After-Free

use-after-free high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-CEP8Y9M0: avformat/mpegts: reset PES state before JPEG-XS error return In the MPEG-TS demuxer, newpespacket begins transferring ownership of...

ANT-2026-MHJX7J31 · typo3 · XSS

xss medium CVE-2026-47345 GHSA-p5j5-4j3q-8mq8 Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Doyensec. ANT-2026-MHJX7J31: Stored XSS in TYPO3...

ANT-2026-QXNF2N9K · rocketchat · Authentication-bypass

auth-bypass high CVE-2026-48929 Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ophion Security. ANT-2026-QXNF2N9K: Unauthenticated Arbitrary Fil...

ANT-2026-8RX9XHEB · php/php-src · Memory Corruption / Out-of-Bounds Write

oob-write high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-8RX9XHEB: Heap out-of-bounds write in font loader via stride...

ANT-2026-JBKARRJ7 · libvips · Out-of-bounds Write

oob-write low CVE-2026-35590 GHSA-jmwm-wc68-mhwm Severity Claude low · Security research firm low · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-JBKARRJ7: Out-of-bounds IFD...

ANT-2026-X3EB6DN3 · expat · heap-buffer-overflow

heap-buffer-overflow medium CVE-2026-56132 GHSA-425r-vwq2-26qv Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-X3EB6DN3...

ANT-2026-8DRZW7VM · ClamAV · Integer Overflow

integer-overflow high CVE-2026-20215 GHSA-6gff-7f37-2v35 Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-8DRZW7VM: Intege...

ANT-2026-3DSGRTDD · gdal · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-3DSGRTDD: Heap-buffer-overflow in gbits.c:62 GDAL's GRIB2...

ANT-2026-HJ61D4C3 · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow medium Severity Claude high · Security research firm medium · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-HJ61D4C3: Heap-buffer-overflow in vfboxblur.c:157 A...

ANT-2026-69D8H6RP · TryGhost/Ghost · SQL Injection

sql-injection critical CVE-2026-26980 GHSA-w52v-v783-gw97 Severity Claude critical · Security research firm - · Maintainer critical REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-69D8H6RP: Critical Vulnerability CVSS 9.1 : SQLi from unauthenticated user; arbitrary DB...

ANT-2026-HHD77M82 · joomla · Path-traversal

path-traversal high CVE-2026-40383 GHSA-v8h9-9g8j-w7h4 Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Doyensec. ANT-2026-HHD77M82: Path Traversa...

ANT-2026-Y9HESEM8 · supabase/supabase · auth-bypass

auth-bypass medium Severity Claude medium · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-Y9HESEM8: AI data-sharing opt-in bypassed by mismatched org and project In...

ANT-2026-SJ7ZVBQB · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow medium Severity Claude high · Security research firm medium · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-SJ7ZVBQB: Heap-buffer-overflow in mpeg.h:70 While...

ANT-2026-TNDDD6NW · ffmpeg · Stack Buffer Overflow

stack-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-TNDDD6NW: Stack buffer overflow in mpegts.c pmtcb via multiple IOD The MPEG-TS PMT parser in libavformat/mpegts.c allocates a fixed...

ANT-2026-H4RM2RMD · htslib · Out-of-Bounds Access

oob-read medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-H4RM2RMD: Out-of-bounds access in CRAM xpack/xrle...

ANT-2026-SBF8X04Q · SELinux · Type Confusion

type-confusion medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-SBF8X04Q: Type confusion in CIL sensitivity alias...

ANT-2026-49KSKQPG · SELinux · Heap Buffer Overflow

heap-buffer-overflow low Severity Claude low · Security research firm low · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-49KSKQPG: Heap buffer overflow in libsepol mapebitmap...

ANT-2026-203E7E95 · twigphp/Twig · auth_bypass

auth-bypass high CVE-2026-46639 GHSA-mm6w-gr99-p3jj Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Anvil Security. ANT-2026-203E7E95: Sandbox...

ANT-2026-N6TD9MF6 · runc · Symlink-following

symlink-following medium CVE-2026-41579 GHSA-xjvp-4fhw-gc47 Severity Claude high · Security research firm high · Maintainer medium Discovered by an unreleased Anthropic model REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics...

ANT-2026-KP4YD2Z6 · php/php-src · Memory Corruption / Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-KP4YD2Z6: DBA flatfile length parsing triggers heap...

ANT-2026-GSDN3H7W · OpenSC · Stack Buffer Overflow

stack-buffer-overflow low CVE-2026-40528 Severity Claude low · Security research firm low · Maintainer low Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-GSDN3H7W: Stack buffer overflow in...

ANT-2026-C6E98TYX · liboqs · Uninitialized Function Pointer (CWE-824)

other high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-C6E98TYX: 01-liboqs-ntru-uninit-fn-ptr The NTRU constructors in...

ANT-2026-RVPC18B1 · libgit2 · Heap Buffer Overflow

heap-buffer-overflow medium GHSA-wfx7-g85r-q6vw Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-RVPC18B1: Heap buffer...

ANT-2026-VN61PHA0 · gitea · IDOR

idor medium CVE-2026-58435 GHSA-rh79-75qm-gwjr Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Doyensec. ANT-2026-VN61PHA0: Gitea LFS Deploy-Ke...

ANT-2026-FW0V6SAJ · dhis2-core · SQL Injection

sql-injection high CVE-2026-55084 GHSA-pwmg-mvjw-4m23 Severity Claude high · Security research firm high · Maintainer - REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ophion Security. ANT-2026-FW0V6SAJ: SQL Injection via Unquoted Column Name in...

ANT-2026-D7FC4YDQ · rabbitmq-c · Heap-buffer-overflow

heap-buffer-overflow high CVE-2026-44236 Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-D7FC4YDQ: Heap-buffer-overflow in...

ANT-2026-MVVACQKN · freebsd/freebsd-src · Stack Buffer Overflow

stack-buffer-overflow high CVE-2026-4747 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-MVVACQKN: Unauthenticated remote code execution via svcrpcgssvalidate stack overflow svcrpcgssvalidate in the FreeBS...

ANT-2026-JS5D1Z2X · wolfSSL/wolfssl · Buffer Overflow

buffer-overflow medium CVE-2026-5295 CVE-2026-6678 Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-JS5D1Z2X: Stack buffer...

ANT-2026-GEM3N3N3 · RocketChat/Rocket.Chat · NoSQL Injection

sql-injection critical CVE-2026-29198 Severity Claude critical · Security research firm - · Maintainer critical REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-GEM3N3N3: Critical vulnerability cvss 9.8: complete authentication bypass to admin permissions On Rocket.Chat...

ANT-2026-ZYEZKB5Y · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-ZYEZKB5Y: Stack buffer overflow in...

ANT-2026-SC8JK49A · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-SC8JK49A: Heap-buffer-overflow in ffmpeg FFmpeg's Dira...

ANT-2026-87DJGDRB · wolfssl · Heap-buffer-overflow

heap-buffer-overflow low CVE-2026-12340 GHSA-q349-x427-xg3w Severity Claude high · Security research firm high · Maintainer low Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-87DJGDRB: Heap-buffer-overflow in sha.c:733 When...

ANT-2026-KC1Y51NF · openmeterio/openmeter · sql_injection

sql-injection medium CVE-2026-8462 GHSA-wc3v-3457-c8cm Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Anvil Security. ANT-2026-KC1Y51NF: SQL...

ANT-2026-V6YZYDKK · FreeType2 · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-V6YZYDKK: Stack buffer overflow via pop aft...

ANT-2026-VVPEMVDE · ClamAV · Integer Overflow

integer-overflow high CVE-2026-20213 GHSA-rjvx-x4g3-vr6w Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-VVPEMVDE: Intege...