PYSEC-2026-2770 Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge

Summary A memory-safety vulnerability in Open Babel's MOL2 file format parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in OBAtom::SetFormalCharge as called from the MOL2 parser. A malformed atom record caused the parser to call the method on a NULL...

PYSEC-2026-2789 Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

Summary A memory-safety vulnerability in Open Babel's GAMESS output parser caused a use-after-free when reading a crafted input file. Details The flaw was in GAMESSOutputFormat::ReadMolecule. A malformed input caused the parser to dereference a stale pointer after the underlying object had been...

Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

SummaryA memory-safety vulnerability in Open Babel's GAMESS output parsercaused a use-after-free when reading a crafted input file. DetailsThe flaw was in GAMESSOutputFormat::ReadMolecule. A malformed inputcaused the parser to dereference a stale pointer after the underlyingobject had been freed...

Open Babel has NULL pointer dereference in CACAO CacaoFormat::SetHilderbrandt

SummaryA memory-safety vulnerability in Open Babel's CACAO parser caused aNULL pointer dereference when reading a crafted input file. DetailsThe flaw was in CacaoFormat::SetHilderbrandt. A malformed inputcaused the parser to dereference a NULL pointer while applying theHilderbrandt transformation...

PYSEC-2026-2772 Open Babel has NULL pointer dereference in CACAO CacaoFormat::SetHilderbrandt

Summary A memory-safety vulnerability in Open Babel's CACAO parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in CacaoFormat::SetHilderbrandt. A malformed input caused the parser to dereference a NULL pointer while applying the Hilderbrandt...

PYSEC-2026-2785 Open Babel has out-of-bounds read in PQS lowerit (pre-buffer read)

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an out-of-bounds pre-buffer read when reading a crafted input file. Details The flaw was in the lowerit helper used by the PQS parser. A malformed input caused the helper to read one or more bytes before the start of its inpu...

Open Babel has heap buffer overflow in ChemKin ChemKinFormat::CheckSpecies

SummaryA memory-safety vulnerability in Open Babel's ChemKin parser causeda heap buffer overflow when reading a crafted input file. DetailsThe flaw was in ChemKinFormat::CheckSpecies. A malformed speciesrecord caused the parser to write past the end of a heap-allocatedbuffer. ImpactOpen Babel is ...

PYSEC-2026-2793 Open Babel has out-of-bounds write in Gaussian coords_type orientation parser

Summary A memory-safety vulnerability in Open Babel's Gaussian output parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the coordstype orientation parser inside the Gaussian output reader. A malformed orientation block caused the parser to write past...

PYSEC-2026-2782 Open Babel has NULL pointer dereference in ChemKinFormat::ReadReactionQualifierLines

Summary A memory-safety vulnerability in Open Babel's ChemKin parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in ChemKinFormat::ReadReactionQualifierLines. A malformed reaction qualifier record caused the parser to dereference a NULL pointer. Impac...

PYSEC-2026-2776 Open Babel has out-of-bounds write (overlapping memcpy) in zipstream basic_unzip_streambuf::underflow

Summary A memory-safety vulnerability in Open Babel's bundled zipstream decompression code caused an out-of-bounds write via overlapping memcpy when reading a crafted gzip-compressed chemistry file. Details The flaw was in basicunzipstreambuf::underflow. The decompression buffer refill path invok...

Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString

Summary A memory-safety vulnerability in Open Babel's CIF file format parser allowed an out-of-bounds read when reading a crafted input file. Details The flaw was in OpenBabel::transform3d::DescribeAsString. A malformed symmetry-operation string caused the parser to read past the end of its...

Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge

SummaryA memory-safety vulnerability in Open Babel's MOL2 file format parsercaused a NULL pointer dereference when reading a crafted input file. DetailsThe flaw was in OBAtom::SetFormalCharge as called from the MOL2parser. A malformed atom record caused the parser to call the methodon a NULL atom...

Open Babel has out-of-bounds read in PQS lowerit (pre-buffer read)

SummaryA memory-safety vulnerability in Open Babel's PQS parser caused anout-of-bounds pre-buffer read when reading a crafted input file. DetailsThe flaw was in the lowerit helper used by the PQS parser. Amalformed input caused the helper to read one or more bytes beforethe start of its input...

gabposter (>=1.2.5, <=1.2.8), open-webdriver (>=1.3.5, <=1.6.9) +4 more potentially affected by CVE-2026-55206 via py7zr (0.20.2)

py7zr PYPI version 0.20.2 is affected by a known vulnerability. The following packages have a transitive dependency on py7zr and may be impacted: - gabposter =1.2.5, =1.3.5, =1.0.4, =1.0.0, =1.0.10, =1.0.0, =1.2.86 Source cves: CVE-2026-55206 Source advisory: OSV:PYSEC-2026-2973...

gabposter (>=1.2.5, <=1.2.8), open-webdriver (>=1.3.5, <=1.6.9) +4 more potentially affected by CVE-2026-23879 via py7zr (0.20.2)

py7zr PYPI version 0.20.2 is affected by a known vulnerability. The following packages have a transitive dependency on py7zr and may be impacted: - gabposter =1.2.5, =1.3.5, =1.0.4, =1.0.0, =1.0.10, =1.0.0, =1.2.86 Source cves: CVE-2026-23879 Source advisory: OSV:PYSEC-2026-2974...

Open WebUI: Stored XSS in Mermaid Markdown Preview

SummaryOpen WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML.Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working payload...

openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-54008 via open-webui (0.6.0)

open-webui PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-54008 Source advisory: OSV:PYSEC-2026-2690...

openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-54014 via open-webui (0.6.0)

open-webui PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-54014 Source advisory: OSV:PYSEC-2026-2736...

openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-54018 via open-webui (0.6.0)

open-webui PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-54018 Source advisory: OSV:PYSEC-2026-2743...

openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-54017 via open-webui (0.6.0)

open-webui PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-54017 Source advisory: OSV:PYSEC-2026-2751...