ANT-2026-6JWE6ZK7 · langchain-ai/deepagentsjs · sandbox_escape

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 Anvil Security. ANT-2026-6JWE6ZK7: VFS sandbox executes agent commands directly on host T...

ANT-2026-MAPZGQDY · jsoncons · 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-MAPZGQDY: Heap-buffer-overflow in bigint.hpp:260 Duri...

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-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-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-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-QRPT15J8 · duckdb · 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 Trail of Bits. ANT-2026-QRPT15J8: Stack-buffer-overflow in...

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-2026-8HYRCFKW · DuckDB · Heap Buffer Overflow

heap-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-2026-8HYRCFKW: Integer overflow to heap buffer...

ANT-2026-QRYCJNAP · dnsmasq · Denial-of-service

denial-of-service medium CVE-2026-13002 CVE-2026-4890 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 Trail of Bits. ANT-2026-QRYCJNAP:...

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-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-CJQWKW82 · postgres/postgres · Denial-of-service

denial-of-service high CVE-2026-6479 GHSA-hwfh-mh4f-m67f Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-CJQWKW82: Pre-auth unbounded...

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...

ANT-2026-19SGCVZZ · Alembic · 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-2026-19SGCVZZ: Heap buffer overflow in Ogawa...

ANT-2026-HFGGE6HR · asterisk/asterisk · stack_buffer_overflow

stack-buffer-overflow critical GHSA-589g-qgf8-m6mx Severity Claude critical · Security research firm critical revised; sealed as 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-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-Z477W54M · ClamAV · Integer Underflow

integer-underflow high CVE-2026-20214 GHSA-86w7-h9x4-hpxv 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-Z477W54M:...

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-M8R2AWBV · linux · other

other high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-M8R2AWBV: ksmbd SMB-Direct: pre-auth remote heap overflow via preferredsendsize signedness mintint Pre-auth remot...

ANT-2026-14WRNADB · linux · use-after-free

use-after-free high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-14WRNADB: ksmbd: use-after-free of shareconf via multichannel LOGOFF race SMB3 multichannel: SESSIONLOGO...

ANT-2026-B4Z27MGE · GPAC · other

other high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-B4Z27MGE: gpac/fuzzroute/20251128202533unknown/ GPAC's DASH manifest handling extracts the printf-style specifier...

ANT-2026-G1XC2M5V · CGIF · other

other high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-G1XC2M5V: cgif/cgiffuzzer/20251218020844unknown/ cgif's LZW encoder computes a conservative upper bound for the...

ANT-2026-XBE9HJ4Y · moodle · Path-traversal

path-traversal 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 Ophion Security. ANT-2026-XBE9HJ4Y: Path Traversal → Arbitrary File Write → RCE ...

ANT-2026-QQ2P9M9V · openexr · Heap-buffer-overflow

heap-buffer-overflow high CVE-2026-45696 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-QQ2P9M9V: Heap-buffer-overflow in...

ANT-2026-NQ9DPCK0 · gdal · 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-NQ9DPCK0: Heap-buffer-overflow in hfaopen.cpp:3533 Wh...

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-RXSADDFE · 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-RXSADDFE: Heap-buffer-overflow in g2meet.c:486 While...

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-TJ0ZJHM6 · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow medium Severity Claude critical · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-TJ0ZJHM6: Heap-buffer-overflow in assenc.c:18...

ANT-2026-CVX8213H · openmrs-module-fhir2 · Deserialization / XXE

deserialization high 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-CVX8213H: XXE injection via XML patch processing in third-party library HTTP PATCH reques...

ANT-2026-PVD37V09 · torvalds/linux · 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-PVD37V09: LPE via iouring io-wq worker pool In iouring's io-wq worker pool, cancelling a hashed bucket-0 work item whose list predecessor is...

ANT-2026-TNXYTAEH · libreoffice · Stack-buffer-overflow

stack-buffer-overflow medium CVE-2026-8356 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-TNXYTAEH:...

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-QPYFFTMS · gdal · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high revised; sealed as critical · Maintainer - Discovered by Claude Sonnet 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-QPYFFTMS:...

ANT-2026-K3APEMB5 · gdal · 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 Ada Logics. ANT-2026-K3APEMB5: Heap-buffer-overflow in gdal The...

ANT-2026-PVQH654C · gdal · 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-PVQH654C: Heap-buffer-overflow in mitabtabfile.cpp:97...

ANT-2026-XGXD0ZVD · gdal · 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-XGXD0ZVD: Heap-buffer-overflow in gpb.h:288 GDAL's OS...

ANT-2026-XV1EVAMH · libreoffice · Heap-buffer-overflow

heap-buffer-overflow medium CVE-2026-8357 Severity Claude critical · Security research firm high · Maintainer medium Discovered by Claude Sonnet 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-XV1EVAMH: Heap-buffer-overflow i...

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-2026-8AZGCAHG · gdal · 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 Ada Logics. ANT-2026-8AZGCAHG: Heap-buffer-overflow in gdal Running th...

ANT-2026-4PKJCSR8 · gdal · 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 Ada Logics. ANT-2026-4PKJCSR8: Heap-buffer-overflow in gdal In GDAL's...

ANT-2026-N7D3E5WK · rdkit · heap-use-after-free

use-after-free 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-N7D3E5WK: Heap-use-after-free in...

ANT-2026-GBSMA7AY · tz · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by an unreleased Anthropic model REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-GBSMA7AY: Stack buffer overflow via...

ANT-2026-RPE1YJCH · ctags · Use-after-free

use-after-free high Severity Claude high · Security research firm high · Maintainer - Discovered by an unreleased Anthropic model REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-RPE1YJCH: Heap overflow via integer truncation in...

ANT-2026-S6CB3P3P · bind9 · Stack Buffer Overflow

stack-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-S6CB3P3P: 03-bind9-matchnsec3-stack-bof In BIND's...

ANT-2026-WNRZ9D35 · gdal · 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 Ada Logics. ANT-2026-WNRZ9D35: Heap-buffer-overflow in gdal The...

ANT-2026-5ETTYD84 · libjpeg-turbo · use-after-free

use-after-free low Severity Claude high · Security research firm low revised; sealed as high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-5ETTYD84: use-after-free at...

ANT-2026-M3T0RBQ8 · torvalds/linux · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-M3T0RBQ8: NFSD: remotely exploitable heap buffer overflow in NFSv4.0 LOCK replay cache The NFSv4.0 seqid replay cache embeds a fixed...

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...