CVE-2026-82608

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: LOW) published 2026-08-31. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity74% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

Advisory Details (4)

Auto-updated Aug 31, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - kamailio/kamailio: Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability · GitHub

https://github.com/kamailio/kamailio/
github_commit

commit abb5d60af6ee (Kamailio/Kamailio)

Fix landed in Kamailio/Kamailio commit abb5d60af6ee — awaiting tagged release

https://github.com/Kamailio/Kamailio/commit/abb5d60af6eefbd367bf6588c5589566b090e272
github_pr

ims_*: check len before get4bytes()

Fix merged in Kamailio/Kamailio PR #4823 on 2026-07-16 — awaiting tagged release

https://github.com/Kamailio/Kamailio/pull/4823
generic

Missing `data.len` check before `get_4bytes()` on Unsigned32 answer AVPs across the IMS modules · Issue #4816 · kamailio/kamailio · GitHub

https://github.com/kamailio/kamailio/issues/4816

Vendor Advisories for CVE-2026-82608(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
kamailio5.6.3-2 ... 6.1.4-1 (28 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
kamailio6.0.1-1 ... 6.1.4-1 (16 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
kamailio6.0.1-1 ... 6.1.3-2 (14 versions)6.1.4-1—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 90× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-20 18:25 UTCGHSA enrichment
  2. 2026-09-20 07:17 UTCGHSA enrichment
  3. 2026-09-19 19:54 UTCEG score recompute
  4. 2026-09-19 19:53 UTCGHSA enrichment
  5. 2026-09-19 08:44 UTCGHSA enrichment
  6. 2026-09-18 21:26 UTCEG score recompute
  7. 2026-09-18 21:26 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 09:15 UTCGHSA enrichment
  10. 2026-09-17 22:06 UTCEG score recompute
  11. 2026-09-17 22:06 UTCGHSA enrichment
  12. 2026-09-17 10:57 UTCGHSA enrichment
  13. 2026-09-16 23:48 UTCEG score recompute
  14. 2026-09-16 23:48 UTCGHSA enrichment
  15. 2026-09-16 14:08 UTCEPSS rescore
  16. 2026-09-16 12:39 UTCEG score recompute
  17. 2026-09-16 12:39 UTCGHSA enrichment
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-16 01:31 UTCGHSA enrichment
  20. 2026-09-15 14:22 UTCGHSA enrichment
  21. 2026-09-15 03:13 UTCEG score recompute
  22. 2026-09-15 03:13 UTCGHSA enrichment
  23. 2026-09-15 03:12 UTCEPSS rescore
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-14 16:04 UTCGHSA enrichment
Show 65 more
  1. 2026-09-14 04:55 UTCGHSA enrichment
  2. 2026-09-13 17:46 UTCEG score recompute
  3. 2026-09-13 17:46 UTCGHSA enrichment
  4. 2026-09-13 06:37 UTCGHSA enrichment
  5. 2026-09-12 19:28 UTCEG score recompute
  6. 2026-09-12 19:28 UTCGHSA enrichment
  7. 2026-09-12 08:18 UTCGHSA enrichment
  8. 2026-09-11 21:09 UTCEG score recompute
  9. 2026-09-11 21:09 UTCGHSA enrichment
  10. 2026-09-11 14:53 UTCEPSS rescore
  11. 2026-09-11 14:53 UTCEPSS rescore
  12. 2026-09-11 10:00 UTCEG score recompute
  13. 2026-09-11 10:00 UTCGHSA enrichment
  14. 2026-09-10 22:51 UTCGHSA enrichment
  15. 2026-09-10 11:42 UTCEG score recompute
  16. 2026-09-10 11:42 UTCGHSA enrichment
  17. 2026-09-09 23:45 UTCGHSA enrichment
  18. 2026-09-09 10:41 UTCGHSA enrichment
  19. 2026-09-08 23:32 UTCEG score recompute
  20. 2026-09-08 23:32 UTCGHSA enrichment
  21. 2026-09-08 22:01 UTCEPSS rescore
  22. 2026-09-08 10:12 UTCGHSA enrichment
  23. 2026-09-08 10:09 UTCGHSA enrichment
  24. 2026-09-07 22:54 UTCEG score recompute
  25. 2026-09-07 22:54 UTCGHSA enrichment
  26. 2026-09-07 11:45 UTCGHSA enrichment
  27. 2026-09-07 00:35 UTCEG score recompute
  28. 2026-09-07 00:34 UTCGHSA enrichment
  29. 2026-09-06 13:48 UTCEPSS rescore
  30. 2026-09-06 13:24 UTCGHSA enrichment
  31. 2026-09-06 02:15 UTCEG score recompute
  32. 2026-09-06 02:15 UTCGHSA enrichment
  33. 2026-09-05 15:31 UTCEPSS rescore
  34. 2026-09-05 15:06 UTCGHSA enrichment
  35. 2026-09-05 03:55 UTCGHSA enrichment
  36. 2026-09-04 16:47 UTCEG score recompute
  37. 2026-09-04 16:47 UTCGHSA enrichment
  38. 2026-09-04 05:38 UTCGHSA enrichment
  39. 2026-09-03 18:25 UTCGHSA enrichment
  40. 2026-09-03 07:16 UTCGHSA enrichment
  41. 2026-09-02 20:05 UTCEG score recompute
  42. 2026-09-02 20:04 UTCGHSA enrichment
  43. 2026-09-02 14:12 UTCEPSS rescore
  44. 2026-09-02 06:45 UTCGHSA enrichment
  45. 2026-09-01 19:35 UTCEG score recompute
  46. 2026-09-01 19:35 UTCGHSA enrichment
  47. 2026-09-01 13:54 UTCEPSS rescore
  48. 2026-09-01 08:14 UTCEG score recompute
  49. 2026-09-01 08:14 UTCGHSA enrichment
  50. 2026-09-01 04:40 UTCEPSS rescore
  51. 2026-09-01 04:40 UTCEPSS rescore
  52. 2026-08-31 21:03 UTCEG score recompute
  53. 2026-08-31 21:03 UTCGHSA enrichment
  54. 2026-08-31 16:24 UTCEG score recompute
  55. 2026-08-31 16:23 UTCGHSA enrichment
  56. 2026-08-31 16:20 UTCNVD updateCVSS v4 → 2.1
  57. 2026-08-31 16:01 UTCEG score recompute
  58. 2026-08-31 16:01 UTCGHSA enrichment
  59. 2026-08-31 15:59 UTCMITRE cvelistV5CVSS v4 → 5.3
  60. 2026-08-31 14:31 UTCEG score recompute
  61. 2026-08-31 14:31 UTCGHSA enrichment
  62. 2026-08-31 03:19 UTCEG score recompute
  63. 2026-08-31 03:19 UTCNVD updateCVSS v4 → 2.1
  64. 2026-08-31 02:48 UTCEG score recompute
  65. 2026-08-31 02:47 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82608?
CVE-2026-82608 is a high vulnerability published on August 31, 2026. A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get4bytes of the file src/modules/imsregistrarscscf/cxdxavp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been…
When was CVE-2026-82608 disclosed?
CVE-2026-82608 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82608 actively exploited?
CVE-2026-82608 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.4% of all scored CVEs.
What is the CVSS score of CVE-2026-82608?
CVE-2026-82608 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-82608?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82608, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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