CVE-2026-76389 Server-Side Request Forgery (SSRF) through the REST API in Cisco Talos Intelligence for Enterprise Security Cloud

In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the gettalosenrichment capability could send a crafted request to the Talos intelligence enrichment Representational State Transfer REST API endpoint and cause the instance to make an...

PT-2026-78817

Name of the Vulnerable Software and Affected Versions Cisco Talos Intelligence for Enterprise Security Cloud versions prior to 1.0.3 Description An unauthenticated user can access the add-on OpenAPI specification via Splunk Web static file paths. This exposure occurs because the generated OpenAPI...

PT-2026-78816

Name of the Vulnerable Software and Affected Versions Cisco Talos Intelligence for Enterprise Security Cloud versions prior to 1.0.3 Description A user with the get talos enrichment capability can send a crafted request to the Talos intelligence enrichment REST API endpoint, forcing the instance ...

Preview: Cisco Talos at Black Hat USA 2026

We're looking forward to having some great conversations with those of you heading to the desert for Hacker Summer Camp 2026. We have a presence within the Cisco and Splunk booth 2633 during Black Hat where you can chat to us about our latest threat research, incident response, and how Talos powe...

PYSEC-2026-2771 Open Babel has out-of-bounds write in MOPAC translationVectors[] (UNIT CELL TRANSLATION)

Summary A memory-safety vulnerability in Open Babel's MOPAC output parser allowed an out-of-bounds write into the translationVectors array when reading the "UNIT CELL TRANSLATION" block of a crafted input file. Details The MOPAC output reader stored translation vectors from the UNIT CELL...

PYSEC-2026-2777 Open Babel has uninitialized pointer dereference in PQS pFormat

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the pFormat handling of the PQS reader. A malformed input caused the parser to dereference a format pointer that had never been...

PYSEC-2026-2773 Open Babel has out-of-bounds write in ORCA nAtoms parser (second variant)

Summary A memory-safety vulnerability in Open Babel's ORCA parser allowed an out-of-bounds write when reading a crafted input file. Details A second variant of the nAtoms out-of-bounds write in the ORCA reader: a different malformed-input path produced the same class of write past the end of the...

PT-2026-59423

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...

Open Babel has out-of-bounds write in MSI translationVectors[]

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

PT-2026-55149

Summary A memory-safety vulnerability in Open Babel's CSR parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the PadString helper used to handle the CSR title field. A title longer than the fixed destination buffer caused the parser to write past the...

GO-2026-5316 Omni: Operator can traverse image-factory API paths via unsanitized `talos_version` in CreateSchematic in github.com/siderolabs/omni

Omni: Operator can traverse image-factory API paths via unsanitized talosversion in CreateSchematic in github.com/siderolabs/omni...

GHSA-WV8C-6MX2-XF4J Omni: Reader-level users can retrieve imported cluster CA keys via ResourceService

Summary Omni supports importing standalone Talos clusters. During this process, an ImportedClusterSecrets resource is created, which contains the full CA secrets bundle for the cluster being imported. If these secrets are not rotated by the importing actor, an authenticated Omni user with Reader...

Omni: Operator can traverse image-factory API paths via unsanitized `talos_version` in CreateSchematic

Summary managementServer.CreateSchematic internal/backend/grpc/schematics.go passes the caller-controlled TalosVersion field directly to imageFactoryClient.OverlaysVersions, which embeds it verbatim into a fmt.Sprintf"/version/%s/overlays/official", talosVersion path template. url.URL.JoinPath...

GHSA-C66C-VQ6W-FVH5 Omni: Operator can traverse image-factory API paths via unsanitized `talos_version` in CreateSchematic

Summary managementServer.CreateSchematic internal/backend/grpc/schematics.go passes the caller-controlled TalosVersion field directly to imageFactoryClient.OverlaysVersions, which embeds it verbatim into a fmt.Sprintf"/version/%s/overlays/official", talosVersion path template. url.URL.JoinPath...

Winning the cyber marathon with Tony Giandomenico

In the high-speed world of cybersecurity, the difference between a breach and a breakthrough often comes down to endurance. Tony Giandomenico, Senior Director of Product Management with Cisco Talos, joins me to discuss how he balances the intensity of leading major product launches with the...

Talos Linux has a local privilege escalation from untrusted workloads

Summary A vulnerability in the Linux kernel's algifaead subsystem CVE-2026-31431, "copy.fail" allows an unprivileged container workload to corrupt arbitrary file page-cache pages via the AFALG crypto interface and splice. On Talos Linux, this vulnerability can be chained into a complete node...

Arbitrary Code Execution

Overview Affected versions of this package are vulnerable to Arbitrary Code Execution in crypto/algifaead.c. The authencesn cryptographic template has a 4-byte overwrite past the end of its buffer, which can be controlled to write into the page cache of any readable file. This allows a...

Five defender priorities from the Talos Year in Review

A familiar theme in security right now is that the barrier to entry for attackers is at an all-time low. AI tools can spin up websites within minutes that can easily direct data to disposable external data stores and send alerts for new captures -- all without code. One such case was recently...

More than pretty pictures: Wendy Bishop on visual storytelling in tech

In this episode of Humans of Talos, Amy sits down with Wendy Bishop, Head of Creative, to explore the vital role of design in the world of cybersecurity. From her early beginnings in web design and journalism to leading the creative vision for Talos, Wendy shares the unique challenges and rewards...

From the field to the report and back again: How incident responders can use the Year in Review

Every year, Cisco Talos publishes Year in Review, a comprehensive look at the previous year's threat landscape. It's drawn from an enormous volume of telemetry, such as endpoint detections, network traffic, email data, and boots-on-the-ground Cisco Talos Incident Response Talos IR engagements. As...